Scombroidei

Scombroidei Temporal range: Middle Paleocene–Recent PreꞒ Ꞓ O S D C P T J K Pg N
A school of Indian mackerel Rastrelliger kanagurta
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scombriformes
Suborder:	Scombroidei
Families
†Euzaphlegidae (euzaphlegids) Gempylidae (snake mackerels) Trichiuridae (cutlassfishes) Scombridae (mackerels and tunas)

Scombroidei or Scombrales is a suborder or infraorder of the order Scombriformes or suborder Scombroidei. The suborder or infraorder includes the tunas, mackerel and snake-mackerels. Regular scombrids are observed to have large heads, eyes, and mouths. In most cases, the second dorsal fin will develop before the development of the first, originally, both Scombroidei and Stromateoidei were placed under the order Perciformes, but both taxa are now lumped together into the order Scombriformes or alternatively ranked as infraorders (Stromateales and Scombrales) under the suborder Scombroidei within the order Syngnathiformes.

The earliest known member is the scombrid Landanichthys from the Selandian of Angola.^[1]

• Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 2011-05-19.
• Nishikawa, Rimmer, Yasuo, David W. (1987). Identification of larval tunas, billfishes and other scombroid fishes (suborder Scombroidei): an illustrated guide. No. 186. p. 2.{{cite book}}: CS1 maint: multiple names: authors list (link)

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