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Heptranchidae

Chondrichthyes - Hexanchiformes - Heptranchidae

Taxonomy
Heptranchidae was named by Barnard (1925). It is extant. Its type is Heptranchias.

It was assigned to Hexanchiformes by Itoigawa (1977), van der Laan (2019).

Subtaxa
Heptranchias (type genus)

Synonymy list
YearName and author
1925Heptranchidae Barnard
1977Heptranchidae Itoigawa p. 126
2019Heptranchidae van der Laan p. 43

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
infraclassElasmobranchii(Bonaparte 1838)
superorderSqualomorphi(Compagno 1973)
orderHexanchiformesde Buen 1926
familyHeptranchidaeBarnard 1925
familyHeptranchidaeBarnard 1925

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. Heptranchidae Barnard 1925
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G. Heptranchias Rafinesque 1810 [sevengill shark]
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†Heptranchias howellii Reed 1946
Heptranchias perlo Bonnaterre 1788 [sharpnose sevengill shark]
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Invalid names: Squalus cinereus Gmelin 1789 [synonym]
†Heptranchias tenuidens Leriche 1938
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Invalid names: Heptranchias ezoensis Applegate and Uyeno 1968 [synonym], Heptranchias karagalensis Kozlov 1999 [synonym]
Diagnosis
No diagnoses are available