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Protosqualus
Taxonomy
Protosqualus was named by Cappetta (1977) [Sepkoski's age data: K Barr K Ceno Sepkoski's reference number: 884].
It was assigned to Squalinae by Müller and Diedrich (1991); to Squaliformes by Sepkoski (2002); and to Squalidae by Cappetta (1977), Biddle (1993), Underwood and Mitchell (1999), Underwood (2004), Adnet et al. (2008), Underwood et al. (2011), Guinot et al. (2013), Bogan et al. (2016).
It was assigned to Squalinae by Müller and Diedrich (1991); to Squaliformes by Sepkoski (2002); and to Squalidae by Cappetta (1977), Biddle (1993), Underwood and Mitchell (1999), Underwood (2004), Adnet et al. (2008), Underwood et al. (2011), Guinot et al. (2013), Bogan et al. (2016).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Protosqualus Cappetta p. 969 |
| 1991 | Protosqualus Müller and Diedrich p. 17 |
| 1993 | Protosqualus Biddle p. 198 |
| 1999 | Protosqualus Underwood and Mitchell |
| 2002 | Protosqualus Sepkoski |
| 2004 | Protosqualus Underwood p. 115 |
| 2008 | Protosqualus Adnet et al. p. 713 |
| 2011 | Protosqualus Underwood et al. p. 540 |
| 2013 | Protosqualus Guinot et al. p. 598 |
| 2016 | Protosqualus Bogan 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. †Protosqualus Cappetta 1977
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†Protosqualus argentinensis Bogan et al. 2016
†Protosqualus barringtonensis Guinot et al. 2013
†Protosqualus glickmani Averianov 1997
†Protosqualus pachyrhiza Underwood and Mitchell 1999
†Protosqualus sigei Cappetta 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Wagner 2023, Carroll 1988 | |||||
Age range: base of the Late/Upper Barremian to the top of the Late/Upper Maastrichtian or 125.77000 to 66.00000 Ma
Collections (62 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Barremian | United Kingdom (England) | P. sp. (213572 213573) | |
| Early/Lower Albian | United Kingdom (England) | P. sigei (213321 213322 213323 213324) | |
| Early/Lower Albian | France (Marne) | P. sigei (235560) | |
| Middle Albian | France (Haute-Marne) | P. sigei (235569) | |
| Middle Albian | France (Marne) | P. sigei (169108 235563 235567) | |
| Middle Albian | United Kingdom (England) | P. sigei (213325 213326 213366 213367) | |
| Late/Upper Albian | Ukraine | P. glickmani (214242) | |
| Late/Upper Albian | Lithuania | Acanthias appendiculatus (213709 213710) P. glickmani (90730) | |
| Late/Upper Albian | France | P. sigei (214872) | |
| Late/Upper Albian | United Kingdom (England) | P. sigei (213327 213328 213329 213330 213331 213332 213333 213334 213335 213336 213337 213339 213340 213344 213346 213348 213351 213370 213371 213374) P. sigei, P. pachyrhiza (213369 213372 213373) | |
| Cenomanian | Germany (Westphalia) | P. siegei (210063) | |
| Cenomanian | Lithuania | Acanthias appendiculatus (213716) | |
| Early/Lower Cenomanian | United Kingdom (England) | P. barringtonensis (213567) P. sigei (213355 213356 213358 213359 213363) | |
| Early/Lower Cenomanian | India (Tamil Nadu) | P. sp. (110178) | |
| Late/Upper Cenomanian | Lithuania | Acanthias appendiculatus (213711 213713 213719 213720) | |
| Middle Cenomanian | United Kingdom (England) | P. barringtonensis (213569 213570) P. sigei (213365) | |
| Coniacian | United Kingdom (Northern Ireland) | P. sp. (213383) | |
| Early/Lower Campanian | Japan | P. sp. (228161) | |
| Late/Upper Maastrichtian | Argentina (Santa Cruz) | P. argentinensis (181059) |