Family Polymixiidae Gill 1862 (ray-finned fish)
Osteichthyes - Teleosteomorpha - Polymixiidae
Synonym: Omosomopsidae Gaudant 1978
Parent taxon: Polymixiipterygii according to R. van der Laan 2019
See also Betancur et al. 2013, Jordan 1963, Nelson et al. 2016 and Patterson 1964
Sister taxon: Polymixiiformes
Subtaxa: Berycopsia Berycopsis Dalmatichthys Homonotichthys Omosomopsis Parapolymixia Polymixia Pycnosterinx
Ecology:
Distribution:
• Miocene of France (1 collection), Japan (1)
• Eocene of United States (8: Alaska, California)
• Cretaceous of Germany (6), Israel (1), Lebanon (8), the United Kingdom (17), United States (1: Maryland)
Total: 43 collections including 55 occurrences