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Isistius
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), Casier (1966); to Dalatiinae by Laurito (1996), Yabe and Hirayama (1998); to Squalidae by Casier (1946), Purdy et al. (2001); to Squaliformes by Sepkoski (2002); and to Dalatiidae by Kocsis (2007), Carillo-Briceño et al. (2014), Straube et al. (2015), Villafaña et al. (2020), Goedert et al. (2024), Maisch IV et al. (2025), Popov et al. (2025).
It was assigned to Scymnorhinidae by Casier (1958), Jordan (1963), Casier (1966); to Dalatiinae by Laurito (1996), Yabe and Hirayama (1998); to Squalidae by Casier (1946), Purdy et al. (2001); to Squaliformes by Sepkoski (2002); and to Dalatiidae by Kocsis (2007), Carillo-Briceño et al. (2014), Straube et al. (2015), Villafaña et al. (2020), Goedert et al. (2024), Maisch IV et al. (2025), Popov et al. (2025).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by L. van den Hoek Ostende on 2013-04-30
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Isistius Gill |
| 1865 | Leius Kner p. 338 |
| 1946 | Isistius Casier p. 49 |
| 1958 | Isistius Casier p. 35 |
| 1963 | Isistius Jordan p. 602 |
| 1963 | Leius Jordan p. 602 |
| 1966 | Isistius Casier p. 64 |
| 1996 | Isistius Laurito p. 88 |
| 1998 | Isistius Yabe and Hirayama p. 38 |
| 2001 | Isistius Purdy et al. p. 87 |
| 2002 | Isistius Sepkoski |
| 2007 | Isistius Kocsis p. 29 |
| 2014 | Isistius Carillo-Briceño et al. p. 80 |
| 2015 | Isistius Straube et al. |
| 2020 | Isistius Villafaña et al. |
| 2024 | Isistius Goedert et al. p. 449 |
| 2025 | Isistius Maisch IV et al. p. 10 |
| 2025 | Isistius Popov et al. |
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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. Isistius Gill 1864
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Isistius brasiliensis Quoy and Gaimard 1824
†Isistius triangulus Probst 1879
†Isistius trituratus Winkler 1874
Invalid names: Leius Kner 1865 [synonym]
Diagnosis
No diagnoses are available