Family Squalidae Bonaparte 1834 (dogfish shark)

Chondrichthyes - Squaliformes - Squalidae

Synonym: Spinacidae

Parent taxon: Squaliformes according to I. Feichtinger et al. 2024

See also Adnet et al. 2008, Bendix-Almgreen 1983, Biddle 1993, Bigelow 1994, Bogan et al. 2016, Casier 1946, Cassier 1966, Chapman and Pritchard 1904, Cicimurri et al. 2022, Cvancara and Hoganson 1993, Jordan 1963, Kent 2018, Kriwet 2003, Laurito 1996, Leidy 1873, Long 1992, Nelson et al. 2016, Owen 1859, Purdy et al. 2001, Underwood 2006 and VillafaƱa et al. 2020

Sister taxa: Centrophoridae, Centropterus, Dalatiidae, Dalatioidea, Etmopteridae, Fredipristis, Gibbechinorhinus, Oxynotidae, Paraechinorhinus, Pseudoechinorhinus, Scymnorhinidae, Somniosidae, Squalogaleus

Subtaxa: Acanthidium Acanthorhinus Atractophorus Centrophoroides Centroscyllium Centrosqualus Dalatiinae Entoxychirus Lepidorhinus Machephilus Megasqualus Microetmopterus Nasisqualus Paracentroscyllium Protocentrophorus Protosqualus Scymnodon Spinax Squalinae Squalus Zameus

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Type: Squalus

Ecology: nektonic carnivore

Distribution:

• Quaternary of the United Kingdom (1 collection), United States (1: Oregon)

• Pliocene of Italy (1), United States (2: California, North Carolina)

• MN 13 of Portugal (2)

• Miocene to Pliocene of Mexico (1)

• Miocene of Argentina (2), Australia (1), Belgium (1), Costa Rica (1), the Czech Republic (2), Denmark (1), France (2), Germany (1), Hungary (1), Jamaica (1), Japan (6), Mexico (1), the Netherlands (3), Panama (1), Portugal (1), Slovakia (2), South Africa (1), United States (6: California, Delaware, Virginia), Venezuela (1)

• Oligocene of Australia (1), the Czech Republic (1), France (1), Germany (3), Japan (1), the Netherlands (1), United States (3: California, South Carolina), Venezuela (1)

• Eocene of Antarctica (3), Chile (1), France (1), Ukraine (1), the United Kingdom (13), United States (3: California, Oregon, Virginia), Uzbekistan (1)

• Paleocene of Algeria (1), Austria (2), Morocco (2), New Zealand (2), United States (2: California, New Jersey)

• Cretaceous of Argentina (2), Canada (2: British Columbia), Chile (2), France (3), Germany (3), India (1), Israel (1), Japan (2), Lebanon (2), Lithuania (12), New Zealand (1), the Russian Federation (1), Sweden (16), Ukraine (1), the United Kingdom (45), United States (20: North Dakota, South Dakota, Texas, Wyoming)

• Triassic of France (2)

Total: 203 collections including 238 occurrences

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