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 schellwieni, Tropites shastensis, Tropites stearnsi, Tropites subbullatus, Tropites torquillus, Tropites ursensis, Tropites welleri, Tropites wodani

Type specimen: Its type locality is Locality 6319, Nizina district, which is in a Tuvalian carbonate limestone in the Chitistone Formation of Alaska

Ecology: fast-moving nektonic carnivore