Parent taxon: Cottoidei according to R. van der Laan 2019
See also Betancur et al. 2013
Sister taxa: Anoplopomatales, Cottoideorum, Gasterosteales, Hexagrammales, Zaniolepidales, Zoarcales
Subtaxa: Agonidae Cottidae Cyclopteridae Jordaniidae Liparidae Psychrolutidae Rhamphocottidae Scorpaenichthyidae Trichodontidae
Ecology: nektonic carnivore
Distribution:
• Quaternary of Greece (1 collection), Greenland (1), Japan (2), United States (12: California, Oregon)
• Pliocene to Pleistocene of United States (1: California)
• Pliocene of United States (3: California, North Carolina)
• Miocene of Chile (4), Italy (1), New Zealand (11), United States (2: California)
• Oligocene of Belgium (3), New Zealand (1)
• Eocene of New Zealand (2), the Russian Federation (1)
Total: 45 collections including 71 occurrences