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Heptranchias (sevengill shark)
Taxonomy
Heptranchias was named by Rafinesque (1810) [Sepkoski's age data: T Dani R]. It is extant. Its type is Squalus cinereus.
It was assigned to Hexanchiformes by Sepkoski (2002); to Heptranchidae by Carrillo-Briceño et al. (2016); 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) and Legendre et al. (2020).
It was assigned to Hexanchiformes by Sepkoski (2002); to Heptranchidae by Carrillo-Briceño et al. (2016); 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) and Legendre et al. (2020).
Species
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 |
| 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 |
| 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 andersoni Jordan 1907
†Heptranchias cinereus Gmelin 1789
†Heptranchias ezoensis Applegate and Uyeno 1968
†Heptranchias howellii Reed 1946
Heptranchias perlo Bonnaterre 1788
Diagnosis
No diagnoses are available