Alternative spelling: Psilocerataceae
Synonyms: Arietitacea Hyatt 1875, Arietitoidea Hyatt 1875
Parent taxon: Ammonitina according to A. C. Riccardi 2019
See also Blau 1998, Blau et al. 2000, Blau et al. 2008, Delsate et al. 2002, Dommergues and Goolaerts 2012, Edmunds et al. 2016, Hall et al. 2000, Hillebrandt 2006, Howarth 2013, Macchioni et al. 2006, Smith and Tipper 1996, Thomson and Smith 1992, Wiedmann 1970 and Yin et al. 2007
Sister taxa: Acanthoceratoidea, Deshayesitoidea, Desmoceratoidea, Engonoceratoidea, Eoderoceratoidea, Haploceratoidea, Hildoceratoidea, Hoplitoidea, Lytoceratoidea, Neokanabiceras, Perisphinctaceae, Perisphinctoidea, Pulchelliaceae, Sphaeroceratoidea, Spiroceratoidea, Stephanoceratoidea, Tetragonitoidea
Subtaxa: Arietitidae Asteroceratidae Cymbitidae Echioceratidae Oxyarietites Oxynoticeratidae Phyllytoceratidae Psiloceratidae Schlotheimiidae
Type: Psiloceras
Ecology: fast-moving nektonic carnivore