Cephalopoda - Ammonoidea - Tropitidae
Full reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262
Belongs to Tropites according to J. P. Smith 1927
Sister taxa: Tropites (Paratropites), Tropites arthaberi, Tropites brockensis, Tropites bufonis, Tropites dieneri, Tropites dilleri, Tropites discobullatus, Tropites fusobullatus, Tropites hessi, Tropites izardi, Tropites keili, Tropites keiliformis, Tropites kellyi, Tropites mojsvarensis, Tropites morani, Tropites morloti, Tropites reticulatus, Tropites rotatorius, Tropites rothpletzi, Tropites shastensis, Tropites stantoni, Tropites stearnsi, Tropites subbullatus, Tropites torquillus, Tropites ursensis, Tropites welleri, Tropites wodani
Type specimen: Its type locality is Brock Mountain, north end and west side (Juvavites subzone), which is in a Tuvalian carbonate limestone in the Hosselkus Formation of California
Ecology: fast-moving nektonic carnivore