Cephalopoda - Ammonitida - Psiloceratidae
Synonym: Caloceratidae Buckman 1906
Parent taxon: Psiloceratoidea according to A. C. Riccardi 2019
See also Blau 1998, Delsate et al. 2002, Hall et al. 2000, Hillebrandt and Kment 2015, Howarth 2013 and Wiedmann 1970
Sister taxa: Arietitidae, Asteroceratidae, Cymbitidae, Echioceratidae, Oxynoticeratidae, Phyllytoceratidae, Schlotheimiidae, Oxyarietites
Subtaxa: Discamphiceratinae Euphyllites Mullerites Psiloceras Psiloceratinae
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Argentina (7 collections), Austria (26), Canada (230: Alberta, British Columbia, Yukon), Chile (104), China (7), France (4), Germany (1), Hungary (1), Italy (3), Mexico (9), New Caledonia (1), New Zealand (4), Peru (34), Spain (4), the United Kingdom (18), United States (77: Alaska, Nevada, Oregon)
• Triassic to Jurassic of Austria (2), Hungary (1), the United Kingdom (1)
• Triassic of Austria (1), Canada (1: British Columbia), Chile (1)
Total: 537 collections including 758 occurrences