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Arthropods (/ˈɑːrθrəˌpɒd/ AR-thrə-pod) are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised...

Arthropods are covered with a tough, resilient integument, cuticle or exoskeleton of chitin. Generally the exoskeleton will have thickened areas in which...

The arthropod leg is a form of jointed appendage of arthropods, usually used for walking. Many of the terms used for arthropod leg segments (called podomeres)...

Many species of arthropods (insects, arachnids, millipedes and centipedes) can bite or sting human beings. These bites and stings generally occur as a...

presumably the ancestral form of compound eye. They are found in all arthropod groups, although they may have evolved more than once within this phylum...

The (pan)arthropod head problem is a long-standing zoological dispute concerning the segmental composition of the heads of the various arthropod groups...

Threatened arthropods are defined here as any of a number of species within the phylum Arthropoda, whose extinction is likely in the foreseeable future...

2023 in arthropod paleontology is a list of new arthropod fossil taxa, including arachnids, crustaceans, trilobites, and other arthropods (except insects...

This list records new taxa of fossil arthropods that were announced or described in 2026 (for insects, see 2026 in paleoentomology). Other peer-reviewed...

The sternum (pl.: sterna) is the ventral portion of a segment of an arthropod thorax or abdomen. In insects, the sterna are usually single, large sclerites...

2024 in arthropod paleontology is a list of new arthropod fossil taxa, including arachnids, crustaceans, trilobites, and other arthropods (except insects...

In 2025, several new arthropod fossil taxa, including arachnids, crustaceans, trilobites, and other arthropods (for insects, see 2025 in paleoentomology)...

An abdomen (also belly or stomach in vertebrates, or metasoma in arthropods) is the front part of the torso between the thorax (chest) and pelvis in humans...

The mouthparts of arthropods have evolved into a number of forms, each adapted to a different style or mode of feeding. Most mouthparts are modified pairs...

A pupa (from Latin pupa 'doll'; pl.: pupae) is the life stage of insects from the Holometabola clade undergoing metamorphosis between immature and mature...

scutigeromorph centipedes and the evolution of respiratory systems of myriapods". Arthropod Structure & Development. 60 101006. Bibcode:2021ArtSD..6001006H. doi:10...

may have an enlarged section at the rostral end which is a brain. Only arthropods, cephalopods and vertebrates have a true brain, though precursor structures...

solifuges live in dry climates and feed opportunistically on ground-dwelling arthropods and other small animals. The largest species grow to a length of 12–15 cm...

fossil arthropods described in 2018 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids, and other fossil arthropods of every...

of fossil arthropods described in 2012 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

The cephalon is the head section of an arthropod. It is a tagma, i.e., a specialized grouping of arthropod segments. The word cephalon derives from the...

of fossil arthropods described in 2016 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

This list contains many extinct arthropod[1] genera from the Cambrian Period of the Paleozoic Era. Some trilobites, bradoriids and phosphatocopines may...

The arthropod gap, also sometimes known as the hexapoda gap, is an apparent gap in the terrestrial arthropod (particularly insect) fossil record noted...

2021 in arthropod paleontology is a list of new arthropod fossil taxa, including arachnids, crustaceans, insects, trilobites, and other arthropods that were...

pax6 genes that control the development of the eyes of vertebrates and arthropods were unexpected, as the organs are anatomically dissimilar and appeared...

of fossil arthropods described in 2014 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

where it preys on a wide variety of animals, including other sizable arthropods, amphibians, mammals and reptiles. It is naturally found in northern South...

of fossil arthropods described in 2015 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

of fossil arthropods described in 2019 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

Arthropods are invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They...

The optic(al) lobe of arthropods is a structure of the protocerebrum that sits behind the arthropod eye (mostly compound eyes) and is responsible for...

The Sonoran Arthropod Studies Institute (established in 1986) is a non-profit organization, located in the Sonoran Desert in Tucson, Arizona, whose mission...

legs') or hexapods comprises the largest clade of arthropods and includes most of the extant arthropod species. It includes the crown group class Insecta...

chelicerae (/kəˈlɪsəriː/) are the mouthparts of the subphylum Chelicerata, an arthropod group that includes arachnids, horseshoe crabs, and sea spiders. Commonly...

Arthropod defensins are a family defensin proteins found in mollusks, insects, and arachnids. These cysteine-rich antibacterial peptides are primarily...

1080 vulnerable arthropod species. Of all evaluated arthropod species, 11% are listed as vulnerable. The IUCN also lists 29 arthropod subspecies as vulnerable...

Kiaeria is a genus of chasmataspidid, a group of extinct aquatic arthropods. It was originally classified as a xiphosuran of the monotypic family Kiaeriidae...

"crustacea" meaning: "those with shells" or "crusted ones") are mandibulate arthropods that are traditionally a part of the paraphyletic subphylum Crustacea...

some of the most controversial and challenging topics in the study of arthropod head structures. The labrum is innervated in crustaceans and insects from...

"hand", also historically great appendage arthropods) is an extinct class of early Paleozoic predatory arthropods defined by their possession of spined "great...

A compound eye is a visual organ found in arthropods such as insects and crustaceans. It may consist of thousands of ommatidia, which are tiny independent...

relationship between lobopodians and arthropods, as they have both lobopodian affinities and characteristics linked to the arthropod stem-group. Maximum size of...

of fossil arthropods described in 2017 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

name for any virus that is transmitted by arthropod vectors. The term arbovirus is a portmanteau word (arthropod-borne virus). Tibovirus (tick-borne virus)...

acts as a gill as water is drawn through its spongy structure. Aquatic arthropods usually have gills which are in most cases modified appendages. In some...

Arthropods, including insects and spiders, make use of smooth adhesive pads as well as hairy pads for climbing and locomotion along non-horizontal surfaces...

palaeontological studies. At least a close relationship between onychophorans and arthropods is widely agreed upon, but the position of tardigrades is more controversial...

which it lives, and the behavioural tasks it must fulfill to survive. Arthropods differ widely in the habitats in which they live, as well as their visual...

Opabinia regalis is an extinct stem group marine arthropod found in the Lagerstätte of the Burgess Shale (Middle Cambrian, 505 million years ago) of British...

616 endangered arthropod species. Of all evaluated arthropod, 6.5% species are listed as endangered. The IUCN also lists 27 arthropod subspecies as endangered...

Sea spiders are marine arthropods of the class Pycnogonida, hence they are also called pycnogonids (/pɪkˈnɒɡənədz/; named after Pycnogonum, the type genus;...

Hemolymph or haemolymph is a body fluid that circulates inside arthropod bodies transporting nutrients and oxygen to tissues, comparable to blood in vertebrates...

A large number of arthropods are associated with sloths. These include biting and blood-sucking flies such as mosquitoes and sandflies, triatomine bugs...

lack several of the Hox genes found in arthropods, and the middle region of the body corresponding to an arthropod's thorax and abdomen. Instead, most of...

Artiopoda is a clade of extinct arthropods that includes trilobites and their close relatives. It was erected by Hou and Bergström in 1997 to encompass...

pincer – is a pincer-shaped organ at the end of certain limbs of some arthropods. The name comes from Ancient Greek χηλή (khēlḗ), through Neo-Latin chela...

to two large clades: the protostomes, which include organisms such as arthropods, molluscs, flatworms, annelids and nematodes; and the deuterostomes, which...

chelicerates, and there may be about 500,000 unidentified species. Like all arthropods, chelicerates have segmented bodies with jointed limbs, all covered in...

2020 in arthropod paleontology is a list of new arthropod fossil taxa, including arachnids, crustaceans, insects, trilobites, and other arthropods that were...

The mandible (from Latin: mandibula or mandĭbŭ-lum, a jaw) of an arthropod is a pair of mouthparts used either for biting or cutting and holding food...

Deuteropoda is a clade of arthropods whose members are distinguished from more basal stem-group arthropods like radiodonts by an anatomical reorganization...

This is a glossary of terms used in the description of arthropod cuticle, including that of insects such as ants. For reasons still under investigation...

produced by stridulation include chirp and chirrup. Insects and other arthropods stridulate by rubbing together two parts of the body. These are referred...

Dinocaridida is a proposed fossil taxon of basal arthropods, which flourished during the Cambrian period and survived up to Early Devonian. Characterized...

ganglia [SPG], arthropod brain, or microbrain) is the main part of the brain in most insect species and in some other closely related arthropods, such as myriapods...

13 November 2023. Smith, Charles Michael (2005). Plant resistance to arthropods: molecular and conventional approaches. Dordrecht, the Netherlands: Springer...

Dispute resolution Dispute (credit card) The endless dispute, a question of arthropod morphology La Dispute (disambiguation) This disambiguation page lists...

pes, pedis 'foot') are predatory arthropods belonging to the class Chilopoda of the subphylum Myriapoda, an arthropod group which includes millipedes and...

2022 in arthropod paleontology is a list of new arthropod fossil taxa, including arachnids, crustaceans, insects, trilobites, and other arthropods that were...

(plural: antennae) is one of a pair of appendages used for sensing in arthropods and onychophorans. Antennae are sometimes referred to as feelers. Often...

of fossil arthropods described in 2013 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

wings and abdomen. It is also called mesosoma or cephalothorax in other arthropods. It is formed by the prothorax, mesothorax and metathorax and comprises...

section) of the exoskeleton or shell in a number of animal groups, including arthropods (such as crustaceans and arachnids) and vertebrates, such as turtles and...

Look up chigger or harvest mite in Wiktionary, the free dictionary. Chiggers are tiny harvest mites, members of the family Trombiculidae, that can cause...

obsolete taxon used by Carl Linnaeus and Jean-Baptiste Lamarck for non-arthropod invertebrate animals. In Linnaeus's Systema Naturae, the Vermes had the...

thought to be closely related to arthropods, combining characteristics of "lobopodians" with those of primitive arthropods. Pambdelurion whittingtoni was...

mole) A smaller number of species have been described from reptiles, arthropods, and snakes: Cyclospora glomericola (from a millipede of the genus Glomeris)...

Arthropod assault is a medical term describing a skin reaction to an insect bite characterized by inflammation and eosinophilic response. Arthropod bites...

Radiodonta is an extinct order of stem-group arthropods that was successful worldwide during the Cambrian period. Radiodonts are distinguished by their...

least concern arthropod species. Of all evaluated arthropod species, 43% are listed as least concern. The IUCN also lists 27 arthropod subspecies as least...

Economic Entomology Journal of Medical Entomology American Entomologist Arthropod Management Tests Journal of Insect Science Insect Systematics and Diversity...

In arthropods, the maxillae (singular maxilla) are paired structures present on the head as mouthparts in members of the clade Mandibulata, used for tasting...

worm-shaped arthropod that lived in the early Silurian (Telychian-Sheinwoodian stages) Waukesha biota fossil site in southeast Wisconsin. This arthropod was first...

Sarotrocercus is a small Cambrian arthropod known from Burgess Shale, reaching a centimetre or two in length (0.39–0.79 in). Sarotrocercus is only known...

or its diminutive, furcula, may refer to: Furca (genus), a prehistoric arthropod Furca (springtail), an anatomical structure in springtail entognaths....

Genus of arthropods...

Hymenocarina is an order of extinct marine arthropods known from the Cambrian. They possess bivalved carapaces, typically with exposed posteriors. Members...

Arachnids are arthropods in the class Arachnida (/əˈræknɪdə/) of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks...

πούς (poús) 'foot') are the members of subphylum Myriapoda, containing arthropods such as millipedes and centipedes. The group contains about 13,000 species...

secondary pair of forward appendages among chelicerates – a group of arthropods including spiders, scorpions, horseshoe crabs, and sea spiders. The pedipalps...

Arthropoda, including cephalopods and crustaceans, and utilized by some land arthropods such as the tarantula Eurypelma californicum, the emperor scorpion, and...

data deficient arthropod species. 30% of all evaluated arthropod species are listed as data deficient. The IUCN also lists 17 arthropod subspecies as data...

feature of the evolution of segmented animals, especially arthropods. In the ancestral arthropod, the body was made up of repeated segments, each with similar...

genes. The morphological data consists of ommatidial structures (see arthropod eye), the presence of neuroblasts, and the form and style of axonogenesis...

three arthropod subspecies as critically endangered. No subpopulations of arthropods have been evaluated by the IUCN. Additionally 2875 arthropod species...

viruses are typically transmitted either from person-to-person or are arthropod-borne viruses, called arboviruses. The young and the elderly are at the...

Kylinxia is a genus of extinct arthropod described in 2020. It was described from six specimens discovered in Yu'anshan Formation (Maotianshan Shales)...

extinct genus of radiodont, an order of early-diverging stem-group marine arthropods. It is best known from the type species A. canadensis, found in the Stephen...

of the body of an arthropod. Depending on the definition, the telson is either considered to be the final segment of the arthropod body, or an additional...

Spiders (order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude...

Jaekelopterus is an extinct genus of eurypterid, a group of extinct aquatic arthropods. Fossils of Jaekelopterus have been discovered in deposits of Middle Silurian...

of fossil arthropods described in 2010 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

Bundenbachiellus is an extinct genus of arthropod described from the Lower Devonian Hunsrück Slate of Germany. This genus is known from only one species...

of P. gigas, which is a portion of body segments from a large fossil arthropod, was discovered from the Lower Devonian St. Maughan's Formation of the...

Cucumericrus ("cucumber-leg") is an extinct genus of stem-arthropod. The type and only species is Cucumericrus decoratus, with fossils discovered from...

Cambrian arthropods. Paleontology portal Arthropods portal Rudy Lerosey-Aubril (2014). "Notchia weugi gen. et sp. nov.: A new short-headed arthropod from...

possibly up to over 2.5 metres (8 ft 2 in), making it the largest known land arthropod of all time. Arthropleura is known from body fossils as well as trace...

definition of entomology would also include the study of animals in other arthropod groups, such as arachnids, myriapods, and crustaceans. The field is also...

among extant members. Velvet worms are considered close relatives of arthropods and tardigrades, with which they form the clade Panarthropoda. This makes...

Aegirocassis (″Aegir's helmet″) is an extinct genus of giant radiodont arthropod belonging to the family Hurdiidae that lived 480 million years ago during...

Mesonacis is an extinct genus of trilobite that lived during the Botomian, found in North-America (excluding Greenland), and the United Kingdom (North-Western...

cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the...

(aíniktós, "riddling, enigmatical"), ζωόν living thing), is a fossil arthropod from the Silurian of Scotland. It was found at the Birk Knowes site, part...

"gilled lobopodians" and arthropods than to other lobopodians, providing important evidence for the origin of the arthropod body plan. Siberiids often...

Enalikter ("scourger of the sea") is an extinct arthropod described from the middle Silurian Herefordshire Lagerstätte at the England–Wales border in...

Carimersa is an extinct genus of artiopodan arthropod known from the Silurian Coalbrookdale Formation of Herefordshire, England. The body is flattened...

concern arthropods List of near threatened arthropods List of vulnerable arthropods List of endangered arthropods List of critically endangered arthropods List...

Kerygmachelidae is a family of gilled lobopodians (stem-arthropods with flapping trunk appendages and radial mouths) from the Cambrian period. Currently...

are used to monitor or directly reduce populations of insects or other arthropods, by trapping individuals and killing them. They typically use food, visual...

scorpling in Wiktionary, the free dictionary. A scorpion is a predatory arthropod animal. Scorpion may also refer to: Scorpion (computer), a Russian ZX...

of fossil arthropods described in 2011 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every...

Vicissicaudata is an unranked group of artiopodan arthropods, containing Cheloniellida, the speciose Aglaspidida, and several other genera outside these...

Parioscorpio is an extinct genus of arthropod containing the species P. venator known from the Silurian-aged Waukesha Biota of the Brandon Bridge Formation...

"three-lobed entities") are extinct marine arthropods that form the class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites...

Erjiecaris Is an extinct genus of bivalved Cambrian arthropod, known from the Chengjiang Biota of Yunnan, China. It is only known from a single species...

Humans make many uses of arthropods, including as food, in art, in stories, and in mythology and religion. Many of these aspects concern insects, which...

Sidneyia is an extinct marine arthropod known from fossils found from the Early to the Mid Cambrian of China and the Mid Cambrian Burgess Shale of British...

Cheloniellon is a monotypic genus of cheloniellid arthropod, known only by one species, Cheloniellon calmani, discovered from the Lower Devonian Hunsrück...

no gap in diversity or changes in oxygen geochemistry. While initial arthropod terrestriality was well under way before the gap, and some digited tetrapods...

or BUG may refer to: A terrestrial arthropod animal, usually with at least six legs Insect, a six-legged arthropod Hemiptera, the true bugs Volkswagen...

Marrella is an extinct genus of marrellomorph arthropod known from the Middle Cambrian of North America and Asia. It is the most common animal represented...

interpreted as early molluscs (Kimberella), echinoderms (Arkarua), and arthropods (Spriggina, Parvancorina). There is still debate about the classification...

developmental stage of arthropods, such as insects, which occurs between each moult (ecdysis) until sexual maturity is reached. Arthropods must shed the exoskeleton...

competing hypothesis is that Antennopoda (= Euarthropoda + Onychophora, the arthropods and the velvet worms) is monophyletic, and tardigrades lie outside this...

segmental ganglia (singular: s. ganglion) are ganglia of the annelid and arthropod central nervous system that lie in the segmented ventral nerve cord. The...

Pennsylvanian age. The major forms of life at this time were the arthropods. Arthropods were far larger than modern ones. Arthropleura, a giant millipede...

systems of synaptic neuropils that exist in the brains of insects and other arthropods. Lateral accessory lobes are located inferiorly and laterally from the...

Ricinoides is an arthropod genus in the family Ricinoididae, first described by Henry Ewing in 1929. Species in this genus are found in West Africa. As...

Holmiidae is a family of trilobites, that lived during the Lower Cambrian (Atdabanian). The Holmiidae is a diverse family of eight genera containing at...

crabs, king crabs, and porcelain crabs. A distantly-related group of arthropods, the horseshoe crabs, with an armoured carapace but a quite different...

Fourth trochanter, of archosaur leg bones Trochanter (arthropod leg), a segment of the arthropod leg Intertrochanteric crest Intertrochanteric line "τροχαντήρ"...

Tokummia is a genus of fossil hymenocarine arthropod, known only by one species, Tokummia katalepsis, from the middle Cambrian (508 million years old)...

(básis) 'base') are paired modified sections on the underside of the base of some arthropod limbs (specifically on the basipod/basipodite, the basalmost segment which...

(ourá) 'tail', in reference to its sword-like telson) is an order of arthropods related to arachnids. They are more commonly known as horseshoe crabs...

(originating from the Latin mille, "thousand", and pes, "foot") are a group of arthropods that are characterised by having two pairs of jointed legs on most body...

Examples of exoskeletons in animals include the cuticle skeletons shared by arthropods (insects, chelicerates, myriapods and crustaceans) and tardigrades, as...

Ancient Greece Pleuron (son of Aetolus), a figure in Greek mythology In arthropod anatomy, a pleuron (πλευρ-όν, genitive: -οῦ, neutral, in Greek) is a sclerite...

rangeomorph-like frond, a variant of Charniodiscus, a proarticulatan, an arthropod (perhaps related to the trilobites), or even an extinct phylum. The lack...

mountain in the Canadian Rockies) is an extinct genus of large bivalved arthropod known from Early to Middle Cambrian marine environments from what is now...

Strabops is a genus of strabopid, an extinct group of arthropods. Strabops is known from a single specimen from the Late Cambrian (Furongian age) of the...

with the mouthparts and talons. Omnidens is classified as a stem-group arthropod. And, due to the striking similarities in their unconventional mouthparts...

This is a list of arthropods in Virginia, including both current and recently historical inhabitants. Species which are presumed extirpated are crossed...

Mieridduryn (MI-eri-thi-RYN) is a genus of dinocaridid (a group of extinct arthropods) that lived during the Middle Ordovician of what is now the United Kingdom...

Phytophilaspis is a phosphatized genus of trilobite-like arthropod with eyes, found in association with algal remains. It dwelt in well-lit, shallow waters...

Kodymirus is an extinct genus of Early Cambrian arthropod, known from the Czech Republic. Although it possessed great appendage-like raptorial arms, it...

Foundation, as a part of the global programme of investigations on the arthropod-borne group of viruses. In view of its expanded scope and activities,...

of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions...

been fully described, it is known to consist of a moderate number of arthropods and sponges, and rare representatives of other groups. It has yielded...

Vermes, used by Carolus Linnaeus and Jean-Baptiste Lamarck for all non-arthropod invertebrate animals, now seen to be paraphyletic. The name stems from...

This list of fictional arthropods is subsidiary to the list of fictional animals. It is restricted to notable insect, arachnid and crustacean characters...

cercus) are paired appendages usually on the rear-most segments of many arthropods, including insects and symphylans. Many forms of cerci serve as sensory...

Polliaxis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Botomian stage...

Tanglangia is an extinct genus of megacheiran arthropod that lived during the 3rd and 4th stages of the Cambrian period. The genus contains two species...

created by males of various animal species, especially salamanders and arthropods, and transferred in entirety to the female's ovipore during reproduction...

variety of taxa have been found as inclusions including insects and other arthropods, as well as plant fragments and epiphyllous fungi. Mexican amber is mainly...

The arthropods of Qatar consist of many organisms including insects and arachnids, as well as myriapods and crustaceans recorded from Qatar. Chrysobothris...

Skioldia is a monotypic genus of extinct arthropods from the Early Cambrian Chengjiang Lagerstätte of Yunnan, China. Described in 1997 by Hou Xian-guang...

members of the order Isoxyida and the family Isoxyidae, a group of basal arthropods that existed during the Cambrian and possibly early Ordovician periods...

with arthropods and can be informally divided between those that are reliant on arthropods for transmission and those that are descended from arthropod viruses...

between a receptive mate and a recently deceased one. Some species of arthropods and frogs can instead fully procreate with a recently killed mate. Various...

sometime referred to as chasmataspids, are a group of extinct chelicerate arthropods that form the order Chasmataspidida. Chasmataspidids are probably related...

a preferred form of feeding for many small animals, such as worms and arthropods. Some intestinal nematodes, such as Ancylostomatids, feed on blood extracted...

Quitacetra arenata is a species of ptychopariid trilobite arthropod from Late Cambrian-aged deposits in Quita Creek, Queensland. Sepkoski, Jack (2002)...

Marrellomorpha are an extinct group of arthropods known from the Cambrian to the Early Devonian. It is divided into two major groups, Marrellida and Acercostraca...

Arthropods, which include crustaceans, arachnids, and insects, are characterized in many different ways. Their bodies are segmented and covered by a cuticle...

other body parts may be shed, for example, the entire exoskeleton in arthropods, including the wings in some insects. In birds, moulting is the periodic...

its sister clade, Deuterostomia. Well-known examples of protostomes are arthropods, molluscs, annelids, flatworms and nematodes. They are also called schizocoelomates...

Isotomodes is a genus of arthropods belonging to the family Isotomidae. The species of this genus are found in Europe and America. Species: Isotomodes...

sleeping sickness. Biological vectors are usually, though not exclusively, arthropods, such as mosquitoes, ticks, fleas and lice. Vectors are often required...

applied to the skin, clothing, or other surfaces to discourage insects (and arthropods in general) from landing or climbing on that surface. Insect repellents...

Adelophthalmus is a genus of eurypterid, an extinct group of aquatic arthropods. Fossils of Adelophthalmus have been discovered in deposits ranging in...

is a sharp organ found in various animals (typically insects and other arthropods) capable of injecting venom, usually by piercing the epidermis of another...

pairs. Various forms of this are found among a variety of vertebrate and arthropod taxonomic classes. The sexual behavior of non-human animals takes many...

backfilling laterally in the ‘arthropod model’, the characteristic lobes are pressure-release structures made by arthropod legs. According to this interpretation...

Sottyxerxes is an extinct genus of euthycarcinoid arthropod from the Carboniferous (Stephanian stage) Montceau-les-Mines lagerstätte in France. It contains...

Pholcus phalangioides, but is also the common name for several other arthropod groups, including harvestmen and crane flies. Pholcids have extremely...

preservation is lower. More than 50 species of trilobites, non-biomineralized arthropods (including megacheirans, nektaspids, and hymenocarines), radiodonts, palaeoscolecids...

Oelandocarididae is a proposed extinct family of Cambrian arthropods from the Orsten of Sweden that includes Oelandocaris, Sandtorpia and Henningsmoenicaris...

three or five separate plates. Probably living as predators on other arthropods, some later trigonotarbid species were quite heavily armoured and protected...

The New Zealand Arthropod Collection is a collection of terrestrial invertebrates held by Maanaki Whenua – Landcare Research in Auckland, New Zealand...

Thulaspis is an extinct genus of artiopodan arthropod from the Cambrian Stage 3 aged Sirius Passet site in Greenland. It is thought to be a close relative...

ichnogenus comprising a wide trace thought to be constructed by a burrowing arthropod ploughing through the sediment for food, leaving a mound of piled sediment...

Onychomys, occurring in North America. They feed on insects and other arthropods. The three species in this genus of New World mice are only distantly...

and πλευρά (pleurá), meaning "rib", is an extinct subclass of myriapod arthropods that flourished during the Carboniferous period, having first arisen during...

life. Terrestrial lineages evolved in several animal phyla, among which arthropods, vertebrates and mollusks are representatives of more successful groups...

coleoptrata is a typical representative of this order, lying in wait for other arthropods, then seizing prey using great speed, and all species in this order reflect...

absolution") is the separation of the cuticle from the epidermis in arthropods and related groups (Ecdysozoa). Since the cuticle of these animals is...

Isoxys (meaning "equal surfaces") is a genus of extinct bivalved Cambrian arthropod; the various species of which are thought to have been freely swimming...

of the old, empty exoskeleton are called exuviae. After moulting, an arthropod is described as teneral, a callow; it is "fresh", pale and soft-bodied...

only a single species; Megachelicerax cousteaui. As the oldest known arthropod to bear chelicerae, Megachelicerax is significant in the evolutionary...

extinct arthropod genus Haifengella, described in 2014 from the Early Cambrian Chengjiang Lagerstätte in Yunnan, China. It is a helmetiid arthropod closely...

Chuviridae is a family of negative-strand RNA viruses which infect arthropods including mosquitos. The family contains the following genera: Boscovirus...

Mandibulata is named Antennulata. This grouping may also contain other extinct arthropod groups like Marrellomorpha. The mandibulates are divided between the extant...

Cheliceratichnus, meaning trace of a chelicerate arthropod, is an ichnogenus erected for a body imprint discovered in the Lower Jurassic East Berlin Formation...

round-tailed horseshoe crab, is a species of horseshoe crab, a chelicerate arthropod found in tropical marine and brackish waters of India, Bangladesh, and...

Utaurora is an extinct genus of opabiniid, which were stem-arthropods closely related to true arthropods and radiodonts; the type species is U. comosa. The animal's...

because they are cleaner). Rufous horneros feed on insects and other arthropods obtained by foraging on the ground while walking. They sometimes feed...

a genus of extinct bivalved (referring to the carapace) hymenocarine arthropod that lived in the Cambrian aged Burgess Shale in what is now British Columbia...

bones and teeth. Instead it refers most commonly to the hardened parts of arthropod exoskeletons and the internal spicules of invertebrates such as certain...

Waptia is an extinct genus of marine arthropod from the Middle Cambrian of North America. It grew to a length of 6.65 cm (3 in), and had a large bivalved...

Mites are small arachnids (eight-legged arthropods) of two large orders, the Acariformes and the Parasitiformes, which were historically grouped together...

body patterning, especially the role of Hox genes in insects and other arthropods. He has been associated with the University of Cambridge for most of his...

It has some superficial similarities with the Cambrian trilobite-like arthropods. The generic name is derived from a crasis compound word from the Latin...

Paleozoic panarthropods from which the velvet worms, water bears, and arthropods arose. Hallucigenia sparsa was originally described by Charles Walcott...

there were at least 19,122 species of fauna in Ireland, most of which are arthropods. This table uses figures supplied by the National Parks and Wildlife Service...

species of horseshoe crab, a kind of marine and brackish chelicerate arthropod. It is found in the Gulf of Mexico and along the Atlantic coast of North...

Eric Thijl; Palma, Ricardo L.; Mironov, Sergey V. (26 August 2020). "Arthropod parasites of Antarctic and Subantarctic birds and pinnipeds: A review...

Fengzhengia is an extinct genus of arthropod known from a single species, Fengzhengia mamingae from the Cambrian aged Chengjiang Biota of Yunnan, China...

Cheloniellida is a taxon (usually referred to as an order) of extinct Paleozoic arthropods. As of 2018, 7 monotypic genera of cheloniellids had been formally described...

average of 63 and a maximum of 151 eggs were laid. As with many other arthropods, the larvae look like miniature versions of the adult, albeit with fewer...

exoskeleton and Diania was suggested to be evolutionarily close to early arthropods, but many later studies have rejected this interpretation. Fossils of...

Rhyniognatha is an extinct genus of arthropod of disputed placement. It has been considered in some analyses as the oldest insect known, as well as possibly...

("Shield of Canada") is an extinct genus of bivalved Cambrian marine arthropod, known from North America and China. They are thought to have been benthic...

genes are responsible for the changes in the morphology of the limbs of arthropods as well as in the axial skeletons of vertebrates. Mutations in homeotic...

Achtheres percarum is a species of arthropod belonging to the family Lernaeopodidae. Synonym: Achtheres sibirica Messjatzeff, 1928 "Achtheres percarum...

promotes interest in and the study of insects (entomology) and related arthropods for both professional entomologists and amateurs. It was founded in 1951...

The most common organism, Marrella, was clearly an arthropod, but not a member of any known arthropod class. Organisms such as the five-eyed Opabinia and...

flatten into segmented lamellae. Book gills are still present in the marine arthropod Limulus (horseshoe crabs) which have five pairs of them, the flap in front...

Dytikosicula is a genus of Cambrian arthropod from the Marjum Formation of Utah. It contains one species, Dytikosicula desmatae. The taxon may be synonymous...

digestive gland or midgut gland is an organ of the digestive tract of arthropods and molluscs. It provides the functions which in mammals are provided...

Sea scorpion may refer to: Eurypterids, extinct arthropods in the order Eurypterida Some fish in the family Cottidae, such as: Long-spined sea scorpion...

is uncommon, but not unprecedented, as this has been observed in other arthropod groups, such as the fuxianhuiid Fuxianhuia. Mosura has a mixture of traits...

many aspects of multicellular development. First known for its role in arthropod embryological development, working in consort with the Hox genes, engrailed...

many terrapins are mainly carnivorous — largely feeding on amphibians, arthropods, freshwater fish, and molluscs — though some are herbivores. Terrapins...

Apomodocia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

of mites in the order Trombidiformes. They include parasites of other arthropods and vertebrates, though some Cheyletidae are instead free-living predators...

a lack of ventilation. A. maculata is a predator of insects and other arthropods, but is generally considered harmless. George Gordh, Gordon Gordh & David...

At around 3.75 metres (12.3 ft), it has the largest leg-span of any arthropod. The Japanese name for this species is taka-ashi-gani, (Japanese: 高脚蟹;...

Duplapex is an extinct genus of bivalved arthropod known from the Cambrian Stage 3 aged Qingjiang biota of Hubei, China, with a single species. D. anima...

of eye development in arthropods: Phylogenetic aspects". Arthropod Structure & Development. Origin and Evolution of Arthropod Visual Systems (Part I)...

Adults are brachypterous and have been recorded preying on small arboreal arthropods. Ctenostoma jekelii jekelii (French Guiana, Brazil) - Jekel's comb-mouthed...

can infect vertebrates as well as arthropods, insect-specific flaviviruses are restricted to their competent arthropods. The means by which flaviviruses...

one queen. It is a species of ant (family Formicidae). Four species of arthropod mimic Camponotus planatus within the Mountain Pine Ridge Forest Reserve...

Mimetaster is an extinct genus of marrellomorph arthropod. The type species, Mimetaster hexagonalis is known from the Lower Devonian (Pragian-Emsian)...

Scolopendra sumichrasti is a species of arthropod; a scolopendrid centipede found in Latin America. Scolopendra sumichrasti has been recorded from Honduras...

Fuxianhuia is a genus of Lower Cambrian fossil arthropod known from the Chengjiang fauna in China. Its purportedly primitive features have led to it playing...

et al. (2026) propose that the traces may have been made by peracarid arthropods. They note that the straight tunnels and pointed corners indicate a tracemaker...

Emeraldella is a genus of arthropod known from the Middle Cambrian of North America. The type species E. brocki was described in 1912 from the Burgess...

Auritama is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

the Saturniidae of the United States and Canada. The Cornell series in arthropod biology (illustrated ed.). Cornell University Press. p. 250. ISBN 978-0-8014-3130-2...

Aquilonifer spinosus is an extinct species of arthropod from the Silurian period. It is known from a single fossil specimen found in the Wenlock Series...

total-group (including hymenocarines and megacheirans) and stem-group arthropods (including radiodonts) are known from the Tulip Beds. Like with most other...

to venom glands. Scolopendra subspinipes is an aggressive and nervous arthropod, ready to strike if interfered with and sensitive to vibrations nearby...

Oura is an extinct genus of deuteropodan arthropod from the Cambrian Stage 3 of the Chengjiang Lagerstätte, located in the Yunnan Province, China. It...

Australimicola is a genus of extinct marine arthropods from the Cambrian Stage 4 aged Emu Bay Shale of South Australia with a single species, A. spriggi...

below the lateral side of the abdomen Arthropod coxa, the short most-proximal base jointed segment of the arthropod leg An orthopaedic hospital in Tampere...

found in the dermis. It is a major site of fat storage in the body. In arthropods, a hypodermis can refer to an epidermal layer of cells that secretes the...

Judomioidea are a superfamily of trilobites, a group of extinct marine arthropods. Its species lived during the Lower Cambrian (Atdabanian). Palmer, A.R...

single-stranded RNA genome. Una virus is an arbovirus or arthropod-borne virus, transmitted primarily by an arthropod species. The Una virus is widely distributed...

marine arthropod from the Cambrian of China. Its type and only species is Erratus sperare. Erratus is likely one of the most basal known arthropods, and...

of spider species. Jumping spiders have some of the best vision among arthropods — being capable of stereoptic color vision — and use sight in courtship...

functional centralization in three phyla of bilaterian animals, namely the arthropods, cephalopod molluscs, and vertebrates. Hox genes organise aspects of cephalization...

varying depth, and distance from the base of the escarpments. Crown-group arthropods (euarthropods such as trilobites) and their stem-group relatives (such...

often informally called sea scorpions, are a group of extinct marine arthropods that form the order Eurypterida. The earliest known eurypterids date to...

Sunella is an extinct genus of bivalved arthropod known from the Cambrian of China. Named after paleontologist and geologist Sun Yunzhu [zh], it was described...

Maryvillia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

American paleontologist Charles E. Resser described a poorly preserved arthropod fossil from the Kinzers Formation. He thought this specimen represented...

Resseropsis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

Avonina is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Because of the diverse habitat types, many different groups, such as arthropods, mollusks, hemichordates, cnidarians, chondrichthyans, actinopterygians...

shrimp) is a genus of extinct hurdiid (peytoiid) radiodont (stem-group arthropod) that lived in what is now northern China during the middle Cambrian period...

Ercaia is genus of Cambrian arthropod known for being a member of the Chengjiang biota, containing the single species E. minuscula. It has been suggested...

Yunnanocaris megista is a species of Cambrian bivalved arthropod known from the Chengjiang biota and described by Hou Xianguang in 1999. It is known only...

The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (sing.: ommatidium). An ommatidium contains...

The Pentastomida are an enigmatic group of parasitic arthropods commonly known as tongue worms due to the resemblance of the species of the genus Linguatula...

"jointed feet") is a biological discipline concerned with the study of arthropods, a phylum of animals that include the insects, arachnids, crustaceans...

Zuninaspis is an extinct genus of trilobite arthropod. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years...

epidermis of many invertebrates, notably arthropods and roundworms, in which it forms an exoskeleton (see arthropod exoskeleton). The main structural components...

Coosella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Lyall I. (1999-01-01). "A new specimen of the Silurian synziphosurine arthropod Cyamocephalus". Proceedings of the Geologists' Association. 110 (3): 211–216...

subdue prey. S. heros hatch from eggs. As they grow and mature, like all arthropods they shed and molt away their exoskeleton. Each time they molt they enter...

Haikoucaris is a genus of megacheiran arthropod that contains the single species Haikoucaris ercaiensis. It was discovered in the Cambrian Chengjiang...

leafhoppers, beetles, lacewings, fleas, flies, and midges. Other types of arthropods also produce silk, most notably various arachnids, such as spiders. The...

Occacaris is an extinct nektonic predatory arthropod from the Lower Cambrian Maotianshan shale Lagerstätte, known from three species. It bears a superficial...

concretions in its upper member, which contain three-dimensionally preserved arthropods. Mammals from various groups are found in the Barstow Formation. Herbivorous...

well-preserved eyes from Chengjiang Lagerstätte and its implications for origin of arthropods". Chinese Science Bulletin. 49 (10): 1063–1071. Bibcode:2004ChSBu..49...

The clypeus is one of the sclerites that make up the face of an arthropod. In insects, the clypeus delimits the lower margin of the face, with the labrum...

Habeliida is an order of extinct arthropods that existed during the middle Cambrian. They are thought to be some of the oldest members of the chelicerate...

University Research on the Anthropocene, he studies microscopic organisms and arthropods. He works in arctic biology, researching in Greenland. In 1995, along...

Oreinorema is an extinct genus of arthropod known from the Cambrian (Stage 3) Chengjiang biota of China. The genus contains a single species, Oreinorema...

Kolymella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Arenig stage of...

Quitalia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

Agnostogonus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Barnacles are arthropods of the subclass Cirripedia in the subphylum Crustacea. They are related to crabs and lobsters, with similar nauplius larvae. Barnacles...

Habrocephalus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage, which lasted from...

column, and their skeletons vary, including hard-shelled exoskeleton (arthropods and most molluscs), plated internal shells (e.g. cuttlebones in some cephalopods)...

Sunellidae is a family of bivalved arthropods known from the Cambrian period. Sunellidae was originally made to include three genera: Sunella, Chiella...

Kiisortoqia soperi is an extinct species of arthropod from the Early Cambrian Sirius Passet Lagerstätte in Greenland. While it had a superficially trilobite-like...

Annamitella is a genus of trilobite, extinct marine arthropods. Annamitella lived from the Arenig to the Llandeilo age of the Ordovician Period from 478...

Ithyektyphus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

Coosina is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from approximately 501 to 490 million years ago...

Wolbachia is a genus of gram-negative bacteria infecting many species of arthropods and filarial nematodes. The relationship between Wolbachia and its hosts...

species is endemic to South America. The Brazilian gecko feeds mostly on arthropods, specifically Diptera. P. pollicaris is found in Argentina, Bolivia, and...

Micrichnus is a trace fossil ichnogenus of arthropods. It was once thought to be a trace fossil made by a vertebrate. Shibata, Masateru; Varricchio, David...

fossils of "worms" and other vermiform animals are known from the site. Arthropods dominate the fauna of the Waukesha biota in both number of specimens and...

Conoides is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

a term used to refer to the framework of internal supports within an arthropod head. The tentorium is formed by ingrowths of the exoskeleton, called...

Liangwangshania biloba, described in 2005, is an extinct genus of fuxianhuiid arthropod known from the Cambrian Maotianshan Shales of China. It is the only species...

genus of small ants with cryptic lifestyles that are predators of small arthropod prey. Strumigenys are small ants with mainly predatory diets, though they...

Devonian arthropod. It is sometimes classified as synziphosurine, a paraphyletic group of horseshoe crab-like fossil chelicerate arthropods, while some...

deficient species List of data deficient amphibians List of data deficient arthropods List of data deficient birds IUCN Red List data deficient species (Cnidaria)...

Rimouskia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

Keurbos is an extinct genus of enigmatic arthropods from the latest Ordovician (Hirnantian) Soom Shale of South Africa, a Lagerstätten fossil site within...

Pogonognathellus is a genus of arthropods belonging to the family Tomoceridae. Species: Pogonognathellus flavescens Pogonognathellus longicornis "Pogonognathellus...

Pycnogonum stearnsi, commonly known as Stearns' sea spider, is a marine arthropod in the family Pycnogonidae. It is found on the western seaboard of North...

pupates in dead trees. Larva hunt in leaf litter, eating other small arthropods. "Reticulated Netwinged Beetle". Insect Identification. Retrieved 4 July...

theatre organ Tibia (video game), a 1997 MMORPG Tibia (arthropod leg), a segment of the arthropod leg This disambiguation page lists articles associated...

falls into three types, characteristic of different arthropods, vertebrates, and annelids. Arthropods such as the fruit fly form segments from a field of...

well as invertebrates. Alphaviruses that can infect both vertebrates and arthropods are referred to as dual-host alphaviruses, while insect-specific alphaviruses...

of Thailand. This species and others like it can parasitize multiple arthropod hosts. Although entomopathogenic fungi have been identified as a widespread...

Forfexicaris valida is a species of Lower Cambrian arthropod, the only species in the family Forfexicarididae. It is known from only two specimens from...

Serksioides is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Botomian stage...

Kootenichela deppi is an extinct arthropod described from the Middle Cambrian of the Kootenay National Park, Canada. It is originally considered to be...

Repinaella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage. Repinaella...

Megalaspides is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Arenig stage of...

Llanoaspis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

γνάθος (gnáthos), meaning "jaw") are a class of wingless and ametabolous arthropods, which, together with the insects, makes up the subphylum Hexapoda. Their...

Paraorlovia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

This is a list of fictional invertebrates. List of fictional arthropods (insects, arachnids and crustaceans) Patrick Star, a starfish from the animated...

terga, associated adjective tergal) is the dorsal ('upper') portion of an arthropod segment other than the head. The anterior edge is called the 'base' and...

are seven species of mammal, 23 taxa of fish, 25 species of terrestrial arthropods, one land snail, one flowering plant, and one species of kelp. Antarctic...

study of crustaceans. Crustaceans are a large traditional subphylum of arthropods classified by having a hard exoskeleton made of chitin or chitin and calcium...

from 140 species in one study showed evidence of arthropod consumption, while another study found arthropod remains in 79% of over 1600 birds from sites across...

Taitzuia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

American Epidemiological Society (2008–2009) Chair, American Committee on Arthropod-Borne & Zoonotic Viruses (1999–2001) Fellow, Infectious Diseases Society...

A sensillum (plural sensilla) is an arthropod sensory organ protruding from the cuticle of exoskeleton, or sometimes lying within or beneath it. Sensilla...

species, is the largest of all orders, constituting almost 40% of described arthropods and 25% of all known animal species; new species are discovered frequently...

journal Nature, suggested that sea spiders belong to an early lineage of arthropods and that their claws may be similar to the 'great appendages' seen in...

Laboulbeniomycetes are a unique group of fungi that are obligatorily associated with arthropods, either as external parasites (Herpomycetales and Laboulbeniales) or for...

Diplichnites are arthropod trackways with two parallel rows of blunt to elongate, closely spaced tracks oriented approximately perpendicularly to the...

Microarthropods (from Micro… and Arthropods) are a special size group of small invertebrates of the phylum arthropods. Their sizes (usually from one to...

Cindarella is genus of trilobite-like Cambrian arthropod known from the Chengjiang biota of China. It is classified in the stem group of trilobites (Artiopoda)...

Enaliktidae is an extinct family of elongate arthropods known from the Silurian and Devonian periods, containing two genera, Enalikter and Bundenbachiellus...

Qiaotingaspis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Botomian stage...

crustaceans. Arthropods are characterized by their jointed limbs and cuticle made of chitin, often mineralized with calcium carbonate. The arthropod body plan...

Agnostida are an order of extinct arthropods which have classically been seen as a group of highly modified trilobites, though some recent research has...

Dresbachia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Champlainia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

Botomella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

between ants and a variety of other organisms, such as plants, other arthropods, and fungi. It may also include commensal or even parasitic interactions...

enveloped positive-strand RNA viruses in the order Nidovirales which infect arthropods. Host organisms include crustaceans such as shrimp. The suborder has two...

The mesosoma is the middle part of the body, or tagma, of arthropods whose body is composed of three parts, the other two being the prosoma and the metasoma...

of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions...

mites, scrub-itch mites, or berry bugs, are small arachnids (eight-legged arthropods) in the Trombiculidae family. In their larval stage, they attach to various...

invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have an exoskeleton, a three-part body (head, thorax and...

present in some amphibians and reptiles. The ocelli that occur in many arthropods. A compound eye with three independent regions, such as that of the mantis...

of extinct hurdiid (peytoiid) radiodont (a grouping of primitive stem arthropods which lived during the early Paleozoic) that lived during the Miaolingian...

Exoskeletons are derived from the epidermis and is composed of chitin in arthropods (insects, spiders, ticks, shrimps, crabs, lobsters). Calcium carbonate...

Penarosa is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Middle Cambrian (Ptychagnostus atavus...

Megapalaeolenus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. They lived during the later part of the Botomian stage...

Arthropods portal Procyliosoma is a genus of pill millipede found in Australia and New Zealand. Formerly classified in the family Sphaerotheriidae, in...

Cedarapis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Allacma is a genus of arthropods belonging to the family Sminthuridae. The genus was first described by Börner in 1906. The species of this genus are found...

Schoriina is a genus of trilobite, an extinct group of marine arthropods. The only known species is Schoriina elegans. "Schoriina". BVI Archive. v t e...

Fuxianhuiida is an extinct clade of arthropods from the Cambrian of China. All currently known species are from Cambrian Series 2 aged deposits in Yunnan...

Pelmanaspis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

amber. There have been fourteen orders, more than 55 families and 100 arthropod species that have been found here. This diversity also includes many eusocial...

entomotoxicology is the analysis of toxins in arthropods (mainly flies and beetles) that feed on carrion. Using arthropods in a corpse or at a crime scene, investigators...

Sanctacaris is a Middle Cambrian habeliid arthropod from the Burgess Shale of British Columbia. It is currently considered to be one of the oldest relatives...

Retifacies abnormalis is an extinct arthropod that lived in the lower Cambrian (about 518 million years ago). Its fossil remains have been found in the...

union territory of Jammu and Kashmir. The largest group overall is the Arthropods, whereas the largest in vertebrates are the Birds.[citation needed] The...

unknown. These pleopods are divided into three sections like most biramous arthropod limbs. The basipod is short and rectangular, being slightly flattened...

List of threatened and endangered arthropods, including insects, arachnids, and crustaceans under the United States Endangered Species Act as of October...

Ixodes anatis, also called the kiwi tick, is a species of tick in the arthropod family Ixodidae. It is endemic to New Zealand and mainly parasitizes kiwi...

Rondocephalus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage, which lasted from...

Ordosia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Jean-Bernard (2018-06-01). "Waptia fieldensis Walcott, a mandibulate arthropod from the middle Cambrian Burgess Shale". Royal Society Open Science. 5...

Biolgina is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period...

Enantiaspis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

(especially filamentous and mushroom-forming fungi), the exoskeletons of arthropods such as crustaceans and insects, the radulae, cephalopod beaks and gladii...

The order includes two families, and most members are endoparasites on arthropods. One of the morphological characteristics of the order is the presence...

Inouyia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

a superficially similar appearance to trilobites, an extinct group of arthropods. Schotte M, Boyko CB, Bruce NL, Poore GC, Taiti S, Wilson GD (eds.). "Ceratoserolis...

South-East Asia. Three species are included on the list of least concern (lc) arthropods, but S. melanodactylus is endangered. Sayamia bangkokensis (Naiyanetr...

Moysiuk, Joseph; Caron, Jean-Bernard (14 May 2025). "Early evolvability in arthropod tagmosis exemplified by a new radiodont from the Burgess Shale". Royal...

Parablackwelderia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Found in Tunisia, the ants inhabit salt pans where they forage dead arthropods. This ant ventures far from its burrow in the Sahara Desert, which has...

heaviest crustacean in the world, but also the heaviest of all living arthropod species. Its closest relative is the European lobster Homarus gammarus...

Kadyella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage, which lasted from...

Solenoparia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

Cédric; Caron, Jean-Bernard (26 September 2019). "A middle Cambrian arthropod with chelicerae and proto-book gills". Nature. 573 (7775): 586–589. Bibcode:2019Natur...

double-stranded DNA genomes. Amphibians, fish, and invertebrates such as arthropods serve as natural hosts. There are currently 23 species in this family...

Kasibelinuridae Pickett 1993 (arthropod)", Paleobiology Database, retrieved 2024-11-02 "†Kasibelinurus Pickett 1993 (arthropod)", Paleobiology Database, retrieved...

understanding of metazoan phylogeny and evolution, particularly among the arthropods, thanks in part to unique preservation of larval stages. The Orsten sites...

Spineless may refer to: An animal that lacks a spinal column, such as an arthropod. Slang term for someone who shows cowardice "Spineless", song by Alanis...

Chondrinouvina is an extinct genus from a well-known class of fossil marine arthropods; the trilobites. It lived during the early part of the Botomian stage...

insects. Insectariums often display a variety of insects and similar arthropods, such as spiders, beetles, cockroaches, ants, bees, millipedes, centipedes...

protocerebrum, deutocerebrum and tritocerebrum as tripartite brain of arthropod, and treated prosocerebrum as part of protocerebrum. The slightly simplified...

unspecified arthropod prey. It is uncertain precisely which arthropods lend their toxicity to which genus of Dendrobatidae, but one such arthropod is thought...

Fuminaspis is an extinct genus from a class of arthropods, the trilobites. It lived during the early part of the Botomian stage, which lasted from approximately...

used in nature when females are choosing a mate.[citation needed] A few arthropods, such as barnacles, are hermaphroditic, that is, each can have the organs...

Bluetongue (BT) disease is a noncontagious, arthropod-borne viral disease affecting ruminants, primarily sheep and other domestic or wild ruminants, including...

Loricicaris is a genus of extinct hymenocarine arthropod with a single species, Loricicaris spinocaudatus from the Burgess Shale, British Columbia, Canada...

Sandtorpia is an extinct genus of Cambrian arthropods from the Orsten of Sweden. The genus contains a single species, Sandtorpia vestrogothiensis, known...

Norwoodia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Eustatius significantly increased arthropod abundance and caused biotic homogenization. Specifically, uninvaded arthropod communities that were distinctly...

and arthropods in general. It particularly welcomes contributions examining "sustainable control strategies" of arthropod pests; beneficial arthropods; the...

Cambronatus is a genus of Devonian arthropod from the Hunsrück Slate of Germany. It contains one species, Cambronatus brasseli. Cambronatus was roughly...

§ Colletotrichum acutatum for the cause of Peach Anthracnose here. Some arthropod pests of peach in California are: Black Peach Aphid (Brachycaudus persicae)...

Function". Insect Neurobiology: From Sensory System to Behavior. Elite Publishing House. ISBN 978-93-58992-80-9. Animals portal Arthropods portal v t e...

Mivirus is a genus of negative-strand RNA viruses which infect arthropods. Member viruses have nonsegmented and bisegmented genomes. There are ten species...

open by appointment, research and teaching facility, collections include arthropods, amphibians and reptiles, birds, fishes, genomic resources, herbarium...

Rochaeva is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

Leanchoilia is a megacheiran marine arthropod known from Cambrian deposits of the Burgess Shale in Canada and the Chengjiang biota of China. L. superlata...

prey. The major groups of venomous animals are described below. Venomous arthropods include spiders, which use fangs on their chelicerae to inject venom,...

England. With 250 specimens known as of 2019, it is the most abundant non-arthropod fossil there. Sutton, M. D.; Briggs, D. E. G.; Siveter, D. J.; Siveter...

phyla into diverse forms; the evolution of plants; the evolution of fish, arthropods and molluscs; the terrestrial colonization and evolution of insects, chelicerates...

Eochuangia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

of fossil arthropods described in 2009 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods that were...

Kijanella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage, which lasted from...

Famatinolithus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of...

Trigonocercella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of...

Nehanniaspis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. Nehanniaspis lived during the late Atdabanian stage,...

Calanoida is an order of copepods, a group of arthropods commonly found as zooplankton. The order includes around 46 families with about 1800 species of...

Loxonepea is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

Entomology a Textbook on Public Health and Veterinary Problems Caused by Arthropods (Rev. ed.). Dordrecht: Springer Netherlands. p. 390. ISBN 978-94-007-1009-2...

Hunanopterus is a genus of eurypterid, an extinct group of aquatic arthropods. The genus contains one species, the type species H. wangi from the Silurian...

Serracaris is a genus of enigmatic arthropod from the Kinzers Formation of Pennsylvania. It contains one species, Serracaris lineata. This genus was formerly...

preserving 11 thoracic segments and a chelicera of a Leanchoilia-like arthropod. In 1977, Lendzion discovered that the name Pomerania had already been...

trimaculatum Lucas, 1878". Catalogue of Life. Retrieved 5 February 2017. "ARTHROPOD PARASITES IN DOMESTIC ANIMALS" (PDF). parasite.org. Retrieved 5 February...

Urokodia is an extinct genus of marine arthropod from the early Cambrian. The only known species is Urokodia aequalis from the Maotianshan Shales of China...

wide range of vertebrate hosts, and some invertebrates, primarily other arthropods. Some species only produce eggs after a blood meal. The mosquito's saliva...

Invertebrates — List of critically endangered invertebrates Arthropods — List of critically endangered arthropods Insects — List of critically endangered insects...

Ceratopeltis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period...

Ligur may refer to: Roman cognomen Ligur (shrimp), an arthropod genus in the family Lysmatidae Ligures (singular Ligus or Ligur; English: Ligurians, Greek:...

dense connective tissue in each eyelid Arthropod tarsus, The distal leg segment of an insect or other arthropod The lower leg of a bird, also known as...

Ecdysteroids are arthropod steroid hormones that are mainly responsible for molting (ecdysis), development and, to a lesser extent, reproduction; examples...

Geraldinella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

Cambropycnogon is an extinct genus of pycnogonid arthropods. The genus contains a single species, Cambropycnogon klausmuelleri, represented by presumed...

symbiotic eukaryotes that inhabit the digestive tract of immature freshwater arthropod hosts (e.g. black fly larvae, mayfly and stonefly nymphs). Paramoebidium...

(2008). "Parancistrocerus leionotus (Viereck, 1906)". Canadian Journal of Arthropod Identification. 05 (5). University of Guelph (published 2008-02-19). doi:10...

three-eyed radiodont with fossilized neuroanatomy informs the origin of the arthropod head and segmentation". Current Biology. 32 (15): 3302–3316.e2. Bibcode:2022CBio...

organisms. Molluscs are second only to arthropods in numbers of living animal species—far behind the arthropods' 1,113,000 but well ahead of chordates'...

Balderia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

Odaraia is an extinct genus of bivalved hymenocarine arthropod with a single known species Odaraia alata, found in the Middle Cambrian Burgess Shale in...

Synziphosurina is a paraphyletic group of chelicerate arthropods previously thought to be basal horseshoe crabs (Xiphosura). It was later identified as...

extinct organism that superficially resembles a segmented trilobite-like arthropod, and it was originally described as such, though the majority of experts...

which mainly infect mammals and birds. They are primarily spread through arthropod vectors (mainly ticks and mosquitoes). The family gets its name from the...

Krolina is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage, which lasted from...

"Epimere" redirects here. For the epimere (epimeron; plural: epimera) in arthropod anatomy, see Pleuron (insect anatomy). In stereochemistry, an epimer is...

Mouthparts may refer to: The parts of a mouth Arthropod mouthparts Insect mouthparts This disambiguation page lists articles associated with the title...

Hoplitaspis is a genus of chasmataspidid, an extinct group of aquatic arthropods. Fossils of Hoplitaspis have been discovered in Late Ordovician deposits...

species, due to Harrisia cactus mealybug. 95% of arthropod border interceptions are insects. Only 4% of arthropod border interceptions are acari. Jenkins, David...

Squamacula is an extinct artiopodan arthropod from the Cambrian Series 2. The type species S. clypeata was described in 1997 from the Chengjiang biota...

Utahcaris is a monotypic genus of fossil arthropod. The only known species is Utahcaris orion from the Spence Shale of Utah, dating back to the Cambrian...

Flagellopantopus is an extinct genus of pycnogonid (sea spider) arthropod known from the lower Devonian aged Hunsrück Slate. A single species is currently...

Aulacodigma is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Wangzishia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

Bigotinella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

Tuberaspis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

Caryosyntrips ("nutcracker") is an extinct genus of stem-arthropod which known from Canada, United States and Spain during the middle Cambrian. It was...

Cambropachycope is an extinct genus of enigmatic Cambrian arthropod that includes the single species Cambropachycope clarksoni, known from the Orsten...

pharyngeal teeth instead of oral teeth. Most bilaterian phyla, including arthropods, molluscs and chordates, have a two-opening gut tube with a mouth at one...

Wingertshellicus is an extinct genus of arthropod that has been found in Hunsrück Slate, that is located in the Rhenish Massif in Germany, and lived about...

Günter (2007). "Juracyclus posidoniae n. gen. and sp., the first cycloid arthropod from the Jurassic" (PDF). Journal of Paleontology. 81 (1): 213–215. CiteSeerX 10...

Zhenghecaris is an extinct genus of enigmatic arthropods from the Lower Cambrian Maotianshan Shales, tentatively classified as a hurdiid (peytoiid) radiodont...

ecdysteroid hormone which controls the ecdysis (moulting) and metamorphosis of arthropods. It is therefore one of the most common moulting hormones in insects,...

Dongshanocaris is genus of Cambrian arthropod known for being a member of the Chengjiang biota, containing the single species Dongshanocaris foliiformis...

Messorocaris is a monotypic genus of fossil arthropod. The only known species is Messorocaris magna from the Wheeler Formation of Utah, dating back to...

Additions and the description of a new species. In: Harten, A. van (ed.)". Arthropod Fauna of the United Arab Emirates. 4: 769–779. Freidberg, A. (1974). "Descriptions...

Furca (Latin for "fork") is an extinct genus of marrellomorph arthropod known from the Sandbian stage (upper Ordovician period) of the Czech Republic...

Betabaculovirus is a genus of viruses, in the family Baculoviridae. Arthropods serve as natural hosts. There are 29 species in this genus. The genus contains...

Goticaris is an extinct genus of enigmatic Cambrian arthropod consisting of the single species Goticaris longispinosa, known from the Orsten lagerstätten...

Horseshoe crabs are arthropods of the family Limulidae and the only surviving xiphosurans. Despite their name, they are not crabs or even crustaceans;...

Pseudokadyella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage, which lasted from...

leading authority on the arthropods of the Burgess Shale, has questioned its assignment as a barnacle or even an arthropod. The World Register of Marine...

placement of Metanephrocerus Aczel, 1948 (Insecta: Diptera: Pipunculidae)". Arthropod Systematics & Phylogeny. 72 (1): 23–36. Olshevsky, George. "Dinogeorge's...

Arthropods portal Wikimedia Commons has media related to Callipodida. Callipodida is an order of millipedes containing around 130 species, many characterized...

on dead and dying trees; after hatching the larvae then prey on small arthropods under the bark. "Calopteron terminale Report". Integrated Taxonomic Information...

making it a insectivore, an organism that has a diet of primarily insects, arthropods and other similar species. Dice, L. R. (August 1, 1923). "Notes on the...

Hicksia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage, which lasted from...

Bridgeia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the...

humans, and infect only arthropods, often non-hematophagous, such as aphids or whiteflies. Many Rickettsia species are thus arthropod-specific symbionts,...

Merostomoidea is a paraphyletic group of fossil arthropods, considered a transitional form between trilobites and true chelicerates. https://web.archive...

Insects, which are a type of arthropod, are the most numerous group of multicellular organisms on the planet, with over a million species identified so...

Amquia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the Dresbachian...

Ouijjania is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

of organisms, of which arthropods are often the first to arrive and the predominant exploitive group. However, not all arthropods found on or near decomposing...

Bondonella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted...

Retrieved 2019-09-24. Nishida, Gordon M., ed. (2003). Hawaiian Terrestrial Arthropod Checklist (PDF). Bishop Museum Technical Report. Vol. 22 (4 ed.). Bishop...

The dorsal lobe of arthropods is also known as the antennal mechanosensory center in contrast to the Optic lobe (visual center) and the antennal lobe (olfactory...

Nereocaris is an extinct genus of bivalved hymenocarine arthropod that lived in the Cambrian aged Burgess Shale in what is now British Columbia around...

Amphotonella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period, which lasted from...

Aglaspidida is an extinct order of marine arthropods known from fossils spanning the Middle Cambrian to the Upper Ordovician. Initially considered chelicerates...

Branchiocaris is an extinct genus of Cambrian bivalved arthropod. The type and best known species, Branchiocaris pretiosa, was described from the Burgess...

as cephalopod limbs. They may have further extensions as suckers. In arthropods, an appendage refers to any of the homologous body parts that may extend...

Merostomata is a class of chelicerate arthropods that contains the extinct Eurypterida (sea scorpions) and the extant Xiphosura (horseshoe crabs). The...

the anatomy of arthropods), the term raptorial implies much the same as predatory but most often refers to modifications of an arthropod's appendages that...

Paleomerus is a genus of strabopid, a group of extinct arthropods. It has been found in deposits from the Cambrian period (Atdabanian epoch). It is classified...