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Isistius

Chondrichthyes - Dalatiidae

Taxonomy
Isistius was named by Gill (1864) [Sepkoski's age data: T Than R Sepkoski's reference number: 2,884]. It is extant.

It was assigned to Scymnorhinidae by Casier (1958), Jordan (1963) and Cassier (1966); to Dalatiinae by Laurito (1996) and Yabe and Hirayama (1998); to Squalidae by Casier (1946) and Purdy et al. (2001); to Squaliformes by Sepkoski (2002); and to Dalatiidae by Kocsis (2007), Carillo-Briceño et al. (2014) and Villafaña et al. (2020).

Synonymy list
YearName and author
1864Isistius Gill
1946Isistius Casier p. 49
1958Isistius Casier p. 35
1963Isistius Jordan p. 602
1966Isistius Cassier p. 64
1996Isistius Laurito p. 88
1998Isistius Yabe and Hirayama p. 38
2001Isistius Purdy et al. p. 87
2002Isistius Sepkoski
2007Isistius Kocsis p. 29
2014Isistius Carillo-Briceño et al. p. 80
2020Isistius Villafaña et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
RankNameAuthor
infraclassEuselachii()
NeoselachiiCompagno 1977
Selachii
superorderSqualimorphi
SqualidaNelson et al. 2016
Squaliformes(Goodrich 1909)
familyDalatiidaeGray 1851
genusIsistiusGill 1864

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. Isistius Gill 1864
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Isistius triangulus Probst 1879
Isistius trituratus Winkler 1874
Diagnosis
No diagnoses are available