PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Squatina

Chondrichthyes - Squatinidae

Taxonomy

Squatina was named by Dumeril (1806) [Sepkoski's age data: ]. It is not extant.

It was assigned to Squatiniformes by Sepkoski (2002); and to Squatinidae by Woodward (1889), Case (1904), Eastman (1904), Jordan and Gilbert (1919), Jordan and Hanibal (1923), Chapman and Cudmore (1924), Leriche (1926), White (1926), Bohm (1926), Leriche (1942), Casier (1946), Jordan (1963), Cassier (1966), Cappetta (1975), Cappetta and Case (1975), Case (1981), Thies (1983), Case and Schwimmer (1988), Müller and Diedrich (1991), Long (1992), Biddle (1993), Yabe and Hirayama (1998), Underwood and Mitchell (1999), Purdy et al. (2001), Peng et al. (2001), Underwood (2002), Underwood (2004), Rees (2005), Kocsis (2007), Cicimurri and Knight (2009), Otero et al. (2013), Underwood and Schlogl (2013), Carillo-Briceño et al. (2014), Reinecke and Radwanski (2015), Case et al. (2015), Hastings and Dooley (2017), Szabo et al. (2017), Kent (2018), Hoganson et al. (2019), Landini et al. (2019), Villafaña et al. (2020), Cicimurri et al. (2022), Feichtinger et al. (2024) and Popov et al. (2024).

Species

S. (Cretascyllium), S. (Squatina), S. angeloides, S. baumbergensis, S. biforis, S. crassa, S. crassidens, S. dumeril, S. frequens, S. gippslandicus, S. hassei, S. lerichei, S. muelleri, S. occidentalis, S. prima, S. speciosa, S. squatina

Species lacking formal opinion data

S. californica

Synonymy list

Year	Name and author
1806	Squatina Dumeril
1889	Squatina Woodward p. 65
1904	Squatina Case p. 74
1904	Squatina Eastman p. 71
1919	Squatina Jordan and Gilbert p. 23
1923	Squatina Jordan and Hanibal p. 58
1924	Squatina Chapman and Cudmore p. 136
1926	Squatina Bohm p. 81
1926	Squatina Leriche p. 382
1926	Squatina White p. 41
1942	Squatina Leriche p. 55
1946	Squatina Casier p. 52
1963	Squatina Jordan p. 602
1966	Squatina Cassier p. 57
1975	Squatina Cappetta p. 123
1975	Squatina Cappetta and Case p. 9
1981	Squatina Case p. 67
1983	Squatina Thies p. 41
1988	Squatina Case and Schwimmer p. 294
1991	Squatina Müller and Diedrich p. 21
1992	Squatina Long p. 20
1993	Squatina Biddle p. 199
1998	Squatina Yabe and Hirayama p. 39
1999	Squatina Underwood and Mitchell
2001	Squatina Peng et al. p. 10
2001	Squatina Purdy et al. p. 97
2002	Squatina Sepkoski
2002	Squatina Underwood
2004	Squatina Underwood p. 115
2005	Squatina Rees p. 216
2007	Squatina Kocsis p. 30
2009	Squatina Cicimurri and Knight p. 629
2013	Squatina Otero et al. p. 23 figs. Fg. 6: 21-24
2013	Squatina Underwood and Schlogl p. 490
2014	Squatina Carillo-Briceño et al. p. 82
2015	Squatina Case et al. p. 1121
2015	Squatina Reinecke and Radwanski p. 7
2017	Squatina Hastings and Dooley p. 83
2017	Squatina Szabo et al.
2018	Squatina Kent p. 60
2019	Squatina Hoganson et al. p. 18
2019	Squatina Landini et al. p. 355
2020	Squatina Villafaña et al.
2022	Squatina Cicimurri et al.
2024	Squatina Feichtinger et al. p. 15
2024	Squatina Popov et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Chondrichthyes
subclass	Elasmobranchii	Bonaparte 1838

Rank	Name	Author
infraclass	Euselachii	()
—	Neoselachii	Compagno 1977
—	Selachii
superorder	Squalimorphi
—	Squatinida
—	Squatiniformes	(Buen 1926)
family	Squatinidae	Bonaparte 1838
genus	Squatina	Dumeril 1806

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. †Squatina Dumeril 1806

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Subg. †Squatina (Cretascyllium) Müller and Diedrich 1991

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†Squatina (Cretascyllium) cranei Woodward 1888

Invalid names: Cretascyllium expansum Müller and Diedrich 1991 [synonym], Squatina decipiens Dalinkevičius 1935 [synonym]

Subg. Squatina (Squatina) Dumeril 1805

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†Squatina (Squatina) fortemordeo Siversson et al. 2015

†Squatina (Squatina) lundegreni Siversson et al. 2015

†Squatina angeloides Van Beneden 1873

†Squatina baumbergensis von der Marck 1885

†Squatina biforis Le Hon 1871

†Squatina crassa Daimeries 1889

†Squatina crassidens Woodward 1889

Squatina dumeril Lesueur 1818

†Squatina frequens Underwood 2002

†Squatina gippslandicus Chapman and Cudmore 1924

†Squatina hassei Leriche 1929

†Squatina lerichei Jordan and Beal 1910

†Squatina muelleri Reuss 1846

†Squatina occidentalis Eastman 1904

†Squatina prima Winkler 1874

†Squatina speciosa von Meyer 1856

†Squatina squatina Linnaeus 1758

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

marinesubp

Locomotion:

actively mobileo

Life habit:

nektobenthico

Diet:

carnivoreo

Created:

2009-07-21 07:20:01

Modified:

2009-07-21 09:20:01

Source: o = order, subp = subphylum

References: Hendy et al. 2009, Wagner 2023, Carroll 1988

Age range

Maximum range based only on fossils: base of the Oxfordian to the top of the Rancholabrean or 163.50000 to 0.01200 Ma
Minimum age of oldest fossil (stem group age): 157.3 Ma

Collections (252 total)

Time interval	Ma	Country or state	Original ID and collection number
Oldest occurrences
Oxfordian	163.5 - 157.3	Germany	S. sp. (137169)
Late/Upper Kimmeridgian - Early/Lower Tithonian	155.7 - 145.0	United Kingdom (England)	S. frequens (140224)
Late/Upper Valanginian	140.2 - 136.4	Poland	S. cranei (213518 213519)
Valanginian	139.8 - 132.9	France	S. sp. (214859)
Early/Lower Hauterivian	136.4 - 130.0	Germany	S. sp. (91586)
Late/Upper Barremian	130.0 - 125.45	United Kingdom (England)	S. sp. (213572)
Late/Upper Aptian	122.46 - 113.0	France	S. cranei, S. decipiens (214869)
Early/Lower Aptian	121.4 - 122.46	United Kingdom (England)	S. sp. (213577 213578 235313)
Albian	113.0 - 100.5	USA (Oregon)	S. sp. (229463)
Early/Lower Albian	112.03 - 109.0	United Kingdom (England)	S. cranei (213324) S. sp. (213320)
Early/Lower Albian	112.03 - 109.0	France (Marne)	S. cranei, S. muelleri (235560)
Middle Albian	109.0 - 105.3	France (Marne)	S. cranei, S. decipiens, S. muelleri (169108) S. cranei, S. muelleri (235563 235567)
Middle Albian	109.0 - 105.3	France (Haute-Marne)	S. cranei, S. muelleri (235569)
Middle Albian	109.0 - 105.3	United Kingdom (England)	S. cranei (213325 213326 213367)
Late/Upper Albian	105.3 - 99.6	Ukraine	S. cranei (214239 214240 214241 214242)
Late/Upper Albian	105.3 - 99.6	Lithuania	S. decipiens (213709 213710)
Late/Upper Albian	105.3 - 99.6	United Kingdom (England)	S. cranei (213327 213331 213332 213334 213335 213336 213339 213340 213341 213342 213345 213346 213351 213369 213372 213373 213374) S. cranei, Cretascyllium sp. (213337) S. cranei, S. sp. (213328 213329 213330 213348 213368) S. sp. (213338 213350 213371)
Late/Upper Albian - Early/Lower Cenomanian	105.3 - 93.5	Kazakhstan	S. sp., S. decipiens (175010)
Cenomanian	100.5 - 93.9	Germany (Westphalia)	S. cranei, Cretascyllium expansum (210063)
Cenomanian	100.5 - 93.9	Lithuania	S. decipiens (213716)