Chondrichthyes - Squaliformes - Somniosidae
Alternative spelling: Somniosinae
Parent taxon: Squaliformes according to I. Feichtinger et al. 2024
See also Cahuzac et al. 2007, Hay 1902, Jordan 1963, Mannering and Hiller 2008, Müller and Diedrich 1991, Nelson et al. 2016, Straube et al. 2015, Underwood and Schlogl 2013 and Welton and Goedert 2016
Sister taxa: Centrophoridae, Centropterus, Dalatiidae, Dalatioidea, Eoscymnidae, Etmopteridae, Fredipristis, Oxynotidae, Paraechinorhinus, Scymnorhinidae, Squalidae, Squalogaleus
Subtaxa: Centroscymnus Centroselachus Cretascymnus Heteroscymnus Laemargus Leiodon Palaeocentroscymnus Protoxynotus Rhinoscymnus Scymnodalatias Scymnodon Somniosus Zameus
Type: Somniosus
Ecology: nektonic carnivore
Distribution:
• Pliocene of Italy (1 collection)
• Miocene of Jamaica (1), Slovakia (1)
• Oligocene of United States (3: Washington)
• Eocene to Oligocene of United States (1: Washington)
• Eocene of Barbados (1), France (1), the Russian Federation (1)
• Paleocene of Austria (1), Denmark (1), New Zealand (4)
• Cretaceous of Angola (1), Austria (11), Canada (2: British Columbia), Germany (15), Israel (1), Lebanon (2), Sweden (2)
Total: 50 collections including 71 occurrences