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Squatiniformes
Taxonomy
Squatiniformes was named by Buen (1926). It is extant.
It was reranked as the suborder Squatiniformes by Casier (1966); it was reranked as the unranked clade Squatiniformes by Cicimurri et al. (2022).
It was assigned to Euselachii by Casier (1966); to Squatinomorphii by Long (1992); to Squalomorphii by Biddle (1993); to Chondrichthyes by Purdy et al. (2001), Sepkoski (2002); to Neoselachii by Underwood (2006), Cicimurri and Knight (2009); to Squalimorphi by Long (2011); to Squatinida by Nelson et al. (2016); to Selachimorpha by Kent (2018); to Squalomorphi by van der Laan (2019); to Squatinida by Cicimurri et al. (2022); and to Elasmobranchii by Peng et al. (2001), Landau et al. (2025).
It was reranked as the suborder Squatiniformes by Casier (1966); it was reranked as the unranked clade Squatiniformes by Cicimurri et al. (2022).
It was assigned to Euselachii by Casier (1966); to Squatinomorphii by Long (1992); to Squalomorphii by Biddle (1993); to Chondrichthyes by Purdy et al. (2001), Sepkoski (2002); to Neoselachii by Underwood (2006), Cicimurri and Knight (2009); to Squalimorphi by Long (2011); to Squatinida by Nelson et al. (2016); to Selachimorpha by Kent (2018); to Squalomorphi by van der Laan (2019); to Squatinida by Cicimurri et al. (2022); and to Elasmobranchii by Peng et al. (2001), Landau et al. (2025).
Subtaxa
Entered
by J. Sepkoski on 2003-01-23; modified by G. Lloyd on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Squatiniformes Buen |
| 1966 | Squatiniformes Casier p. 57 |
| 1992 | Squatiniformes Long p. 20 |
| 1993 | Squatiniformes Biddle p. 199 |
| 2001 | Squatiniformes Peng et al. p. 10 |
| 2001 | Squatiniformes Purdy et al. p. 97 |
| 2002 | Squatiniformes Sepkoski |
| 2006 | Squatiniformes Underwood p. 234 |
| 2009 | Squatiniformes Cicimurri and Knight p. 629 |
| 2011 | Squatiniformes Long p. 242 |
| 2016 | Squatiniformes Nelson et al. p. 79 |
| 2018 | Squatiniformes Kent p. 60 |
| 2019 | Squatiniformes van der Laan p. 44 |
| 2022 | Squatiniformes Cicimurri et al. |
| 2025 | Squatiniformes Landau et al. p. 30 |
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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.
Or. Squatiniformes Buen 1926
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Fm. †Pseudorhinidae Klug and Kriwet 2012
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G. †Pseudorhina Jaekel 1898
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†Pseudorhina alifera Münster 1842
†Pseudorhina crocheti Guinot et al. 2014
Fm. Squatinidae Bonaparte 1838 [angel shark]
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G. †Squalraia De la Pylaie 1835
G. Squatina Dumeril 1806 [angel shark]
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Subg. †Squatina (Cretascyllium) Müller and Diedrich 1991
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†Squatina (Cretascyllium) cranei Woodward 1888
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Invalid names: Cretascyllium expansum Müller and Diedrich 1991 [synonym], Squatina decipiens Dalinkevičius 1935 [synonym]
†Squatina (Cretascyllium) hassei Leriche 1929
Subg. Squatina (Squatina) Dumeril 1805
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†Squatina (Squatina) fortemordeo Siversson et al. 2015
†Squatina (Squatina) lundegreni Siversson et al. 2015
†Squatina baumbergensis von der Marck 1885
†Squatina biforis Le Hon 1871
Squatina californica Ayres 1859 [Pacific angelshark]
†Squatina crassa Daimeries 1889
†Squatina crassidens Woodward 1889
Squatina dumeril Lesueur 1818
†Squatina frequens Underwood 2002
†Squatina gippslandicus Chapman and Cudmore 1924
†Squatina lerichei Jordan and Beal 1910
†Squatina muelleri Reuss 1846
†Squatina occidentalis Eastman 1904
†Squatina prima Winkler 1874
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Invalid names: Rhina winkleri Daimeries 1888 [synonym], Squatina gaudryi Priem 1902 [synonym]
†Squatina speciosa von Meyer 1856
†Squatina squatina Linnaeus 1758
†Squatina subserrata Münster 1846
Invalid names: Squatina angeloides Van Beneden 1873 [nomen nudum], Squatina beyrichi Noetling 1885 [nomen dubium], Squatina rupeliensis Daimeries 1889 [nomen nudum]
Diagnosis
No diagnoses are available