Cephalopoda - Ammonitida - Polymorphitidae
Alternative spelling: Tropidoceratidae
Synonyms: Acanthopleuroceratidae Arkell 1950, Acanthopleuroceratinae Arkell 1950
Parent taxon: Polymorphitidae according to M. K. Howarth 2013
See also Braga and Rivas 1985, Bremer 1965, Donovan and Surlyk 2003, Frebold 1970, Geczy and Meister 2007, Hillebrandt 2006, Meister and Friebe 2003, Sarih et al. 2007, Smith and Tipper 1996 and Thomson and Smith 1992
Sister taxon: Polymorphitinae
Subtaxa: Acanthopleuroceras Catriceras Dayiceras Paratropidoceras Tropidoceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Argentina (24 collections), Austria (10), Canada (128: British Columbia, Yukon), Chile (4), France (100), Hungary (34), Italy (3), Morocco (10), Papua New Guinea (1), Slovakia (1), Spain (12), Tunisia (7), Turkey (23), the United Kingdom (11), United States (7: Nevada)
Total: 375 collections including 527 occurrences