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the placement of the genus Sphaerotholus within the Pachycephalosauria. They recovered all proposed species of Sphaerotholus as a monophyletic group of...

Wannanosaurus, Goyocephale, Stegoceras, Homalocephale, Tylocephale, Sphaerotholus, and Prenocephale. Within the tribe Pachycephalosaurini, Pachycephalosaurus...

Sullivan considered Foraminacephale, "Prenocephale" edmontonensis, and Sphaerotholus goodwini to form a clade with the Asian taxon P. prenes. He considered...

three-quarters the size of Prenocephale, and about the same size as Sphaerotholus and Foraminacephale. The latter measured 1.5 metres (4.9 ft) long and...

Skull domes of Gravitholus, Sphaerotholus, Stegoceras, and Pachycephalosaurus showing injuries...

considered a juvenile pachycephalosaur of uncertain species (though perhaps Sphaerotholus goodwini). In 2006, Sullivan and Spencer G. Lucas considered it a juvenile...

derived pachycephalosaurids Stygimoloch, Dracorex, Pachycephalosaurus, Sphaerotholus, and an undescribed specimen from North Dakota. The first two might...

Sinocephale bexelli Sphaerotholus goodwini Pachycephalosaurini Platytholus clemensi Sphaerotholus lyonsi Sphaerotholus triregnum Sphaerotholus buchholtzae Pachycephalosaurus...

Marginocephalia Pachycephalosauria Stegoceras validum Pachycephalosaurinae Sphaerotholus goodwini Pachycephalosaurus wyomingensis (Pachycephalosaurini) Ceratopsia...

gobiensis Acrotholus audeti Prenocephale prenes Alaskacephale gangloffi Pachycephalosaurus wyomingensis Sphaerotholus buchholtzae Sphaerotholus goodwini...

audeti Sphaerotholus goodwini Sphaerotholus buchholtzae Sphaerotholus edmontonensis Alaskacephale gangloffi Sphaerotholus triregnum Sphaerotholus lyonsi...

Amtocephale Prenocephale Acrotholus Platytholus Sphaerotholus edmontonensis Sphaerotholus goodwini Sphaerotholus buchholtzae Pachycephalosaurus Alaskacephale...

Denversaurus, the pachycephalosaurs Pachycephalosaurus, Platytholus and Sphaerotholus, the paravian theropods Acheroraptor and Pectinodon, other maniraptoran...

Foraminacephale Goyocephale Homalocephale Pachycephalosaurus Platytholus Prenocephale Sinocephale Sphaerotholus Tylocephale See also: Timeline Category...

Foraminacephale Goyocephale Homalocephale Pachycephalosaurus Platytholus Prenocephale Sinocephale Sphaerotholus Tylocephale See also: Timeline Category...

(2021). Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus. Zoological Journal...

Creek Formation. Macrofossil taxa are represented by the dinosaurs Sphaerotholus buchholtzae and Pachycephalosaurus (pachycephalosaurid ornithischians)...

gobiensis Acrotholus audeti Prenocephale prenes Alaskacephale gangloffi Pachycephalosaurus wyomingensis Sphaerotholus buchholtzae Sphaerotholus goodwini...

Foraminacephale Goyocephale Homalocephale Pachycephalosaurus Platytholus Prenocephale Sinocephale Sphaerotholus Tylocephale See also: Timeline Category...

Pachycephalosauridae Stegoceras Gravitholus Colepiocephale Texacephale Hanssuesia Sphaerotholus brevis S. goodwini S. edmontonense S. bucholtzae Pachycephalosaurini...

squamosals. This is similar to Foraminacephale and some species of Sphaerotholus, but unlike some other pachycephalosaurs such as Stegoceras or Prenocephale...

Titanoceratops ouranos; and the pachycephalosaurs Stegoceras novomexicanum and Sphaerotholus goodwini. Saurischians include the tyrannosaurid Bistahieversor sealeyi;...

Amtocephale gobiensis Prenocephale prenes Acrotholus audeti Sphaerotholus goodwini Sphaerotholus buchholtzae Alaskacephale gangloffi Pachycephalosaurus wyomingensis...

Struthiomimus, the dome-skulled pachycephalosaurids Stegoceras, and Sphaerotholus edmontonensis, the ornithopod Parksosaurus warreni, the hadrosaurids...

base of the skull. Two traits also differentiate Foraminacephale from Sphaerotholus and Prenocephale: there are prominent grooves between the central lobe...

Sonorasaurus Soriatitan Soumyasaurus – possibly non-dinosaurian Spectrovenator Sphaerotholus Sphenosaurus – subsequently found to be a non-dinosaurian reptile Sphenospondylus...

Edmontosaurus annectens, the Ankylosaur Ankylosaurus, the Pachycephalosaurs Sphaerotholus and Pachycephalosaurus, the Maniraptorans Anzu and Dakotaraptor, and...

Edmontosaurus, pachycephalosaurs (Pachycephalosaurus, Platytholus, and Sphaerotholus), and ceratopsians (Leptoceratops, Torosaurus, and Triceratops). Dinosaurs...

nov. Carr, Williamson, & Schwimmer 2003 Sphaerotholus buchholtzae sp. nov. Williamson & Carr 2003 Sphaerotholus goodwini gen. et sp. nov. Williamson &...

habitat include the hadrosaur Parasaurolophus, the pachycephalosaur Sphaerotholus, the armored dinosaur Nodocephalosaurus and the tyrannosauroid Bistahieversor...

Parksosaurus warreni, ankylosaurid Anodontosaurus lambei, pachycephalosaurid Sphaerotholus edmontonense, ornithomimids Dromiceiomimus brevitertius and an unnamed...

synonyms of Triceratops), the pachycephalosaurs Pachycephalosaurus, Sphaerotholus, Stygimoloch, and Dracorex (the latter two possible synonyms of Pachycephalosaurus)...

Cretaceous Period of #Montana. On the bottom left is the dome of a young #Sphaerotholus (MOR 3040) & on the right is the dome of #Pachycephalosaurus (MOR 1100)...

Sphaerotholus...

Troodon edmontonensis Sp. nov. Valid Brown & Schlaikjer Maastrichtian Horseshoe Canyon Formation Canada A species of Troodon now Sphaerotholus edmontonense...

include the leptoceratopsid Montanoceratops, the pachycephalosaurid Sphaerotholus, the thescelosaurid Parksosaurus, and the alvarezsaurid Albertonykus...

Sphaerotholus...

in the breakdown, but were relatively rare. Other dinosaurs, such as Sphaerotholus, Denversaurus, Torosaurus, Struthiomimus, Acheroraptor, Dakotaraptor...

Leptoceratops, pachycephalosaurids Pachycephalosaurus, Stygimoloch and Sphaerotholus, the hadrosaurid Edmontosaurus and possibly Parasaurolophus, ceratopsians...

"glancing blows". Williamson and Carr described the new genus and species Sphaerotholus bucholtzae. He also described another species in that genus, S. goodwini...

curriei), ornithomimids (Ornithomimus edmontonicus), pachycephalosaurids (Sphaerotholus edmontonensis), hadrosaurids (Edmontosaurus regalis), ceratopsians (Pachyrhinosaurus...

Sphaerotholus...

juvenile and subadult material Once thought to be a species of Stegoceras Sphaerotholus S. lyonsi Upper, 76.10 ± 0.5 Ma Right squamosal Stegoceras S. validum...

Ornithomimus edmontonicus, and Struthiomimus altus, the pachycephalosaurid Sphaerotholus edmontonensis, the ornithopod Parksosaurus warreni, the hadrosaurids...

Denversaurus, the pachycephalosaurs Pachycephalosaurus, Platytholus and Sphaerotholus, the paravian theropods Acheroraptor and Pectinodon, the other coelurosaurian...

partial skeleton A caenagnathid theropod Ornithomimus Ornithomimus sp. Sphaerotholus cf. S. buchholtzae "Nearly complete left postorbital" The first pachycephalosaurid...

A study aiming to determine the taxonomic validity of the species Sphaerotholus buchholtzae and S. edmontonensis is published by Woodruff et al. (2021)...

has done extensive work with pachycephalosaurians, in which the name Sphaerotholus buchholtzae honored her work.[citation needed] Buchholtz EA, Yozgyur...

Valid taxon Dzik Poland Sinornithomimus Valid taxon Kobayashi Lü China Sphaerotholus Possible junior synonym of Prenocephale Williamson Carr "Wangonisaurus"...

Montana) Differs from juveniles of the contemporary Pachycephalosaurus and Sphaerotholus, hence its classification as a new genus Plesiohadros - Khishigjav Tsogtbaatar...

Formation Canada ( Alberta) A pachycephalosaurine; a species of Sphaerotholus. Sphaerotholus triregnum Sp. nov Valid Woodruff, Schott & Evans Late Cretaceous...

Nemegt Formation, Omnogovi Province, Mongolia †Sphaerotholus †Sphaerotholus bucholtzae †Sphaerotholus edmontonensis 73–66 Ma, Campanian to Maastrichtian...

the chasmosaurine ceratopsid Pentaceratops, the pachycephalosaurid Sphaerotholus, the ankylosaurine ankylosaurid Ziapelta, the dromaeosaurid Saurornitholestes...

Bibcode:2015CrRes..56..426M. doi:10.1016/j.cretres.2015.06.005. "†Sphaerotholus edmontonensis Brown and Schlaikjer 1943 (ornithischian)". Paleobiology...

†Spalacotheridium †Spalacotheridium mckennai Sphaerium †Sphaerium planum †Sphaerotholus †Sphaerotholus buchholtzae – type locality for species †Sphenopteris †Sphenopteris...

†Shuvosaurus †Shuvosaurus inexpectatus Solemya †Sphaerotholus – type locality for genus †Sphaerotholus goodwini – type locality for species Spirorbis –...

†Scotiophryne – type locality for genus †Sequoia Sphaerium †Sphaerotholus †Sphaerotholus buchholtzae – type locality for species †Sphenopteris †Sphenopteris...

Sphaerotholus...