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 is a suborder of the order Scombriformes. The suborder 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.

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

References

^ Friedman, Matt; V. Andrews, James; Saad, Hadeel; El-Sayed, Sanaa (2023-06-16). "The Cretaceous–Paleogene transition in spiny-rayed fishes: surveying "Patterson's Gap" in the acanthomorph skeletal record André Dumont medalist lecture 2018". Geologica Belgica. doi:10.20341/gb.2023.002. ISSN 1374-8505.

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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[1] Friedman, Matt; V. Andrews, James; Saad, Hadeel; El-Sayed, Sanaa (2023-06-16). "The Cretaceous–Paleogene transition in spiny-rayed fishes: surveying "Patterson's Gap" in the acanthomorph skeletal record André Dumont medalist lecture 2018". Geologica Belgica. doi:10.20341/gb.2023.002. ISSN 1374-8505.

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