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Heptranchias (sevengill shark)
Taxonomy
Heptranchias was named by Rafinesque (1810) [Sepkoski's age data: T Dani R]. It is extant. It is the type genus of Heptranchidae.
It was reranked as Notidanus (Heptranchias) by Arambourg (1952).
It was assigned to Notidanus by Arambourg (1952); to Hexanchiformes by Sepkoski (2002); to Heptranchidae by Carrillo-Briceño et al. (2016), van der Laan (2019); and to Hexanchidae by Hay (1902), Jordan (1907), Jordan and Gilbert (1919), Jordan and Hanibal (1923), Jordan (1963), Applegate and Uyeno (1968), Uyeno (1972), Welton (1974), Long (1992), Long et al. (1993), Carnevale (2007), Legendre et al. (2020).
It was reranked as Notidanus (Heptranchias) by Arambourg (1952).
It was assigned to Notidanus by Arambourg (1952); to Hexanchiformes by Sepkoski (2002); to Heptranchidae by Carrillo-Briceño et al. (2016), van der Laan (2019); and to Hexanchidae by Hay (1902), Jordan (1907), Jordan and Gilbert (1919), Jordan and Hanibal (1923), Jordan (1963), Applegate and Uyeno (1968), Uyeno (1972), Welton (1974), Long (1992), Long et al. (1993), Carnevale (2007), Legendre et al. (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1810 | Heptranchias Rafinesque |
| 1902 | Heptranchias Hay p. 300 |
| 1907 | Heptranchias Jordan p. 101 |
| 1919 | Heptranchias Jordan and Gilbert p. 20 |
| 1923 | Heptranchias Jordan and Hanibal p. 32 |
| 1952 | Notidanus (Heptranchias) Arambourg |
| 1963 | Heptranchias Jordan p. 597 |
| 1968 | Heptranchias Applegate and Uyeno p. 197 |
| 1972 | Heptranchias Uyeno p. 224 |
| 1974 | Heptranchias Welton p. 6 |
| 1992 | Heptranchias Long p. 14 |
| 1993 | Heptranchias Long et al. p. 655 |
| 2002 | Heptranchias Sepkoski |
| 2007 | Heptranchias Carnevale |
| 2016 | Heptranchias Carrillo-Briceño et al. p. 80 |
| 2019 | Heptranchias van der Laan p. 43 |
| 2020 | Heptranchias Legendre et al. p. 6 |
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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.
G. Heptranchias Rafinesque 1810 [sevengill shark]
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Heptranchias cinereus Gmelin 1789
†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