†Margaritropites johnsoni Smith 1927
Cephalopoda - Ammonoidea - Tropitidae
Alternative combination: Tropites johnsoni
Synonyms: Tropites boehmi Smith 1927, Tropites philippii Smith 1927, Tropites traski Smith 1927
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 Margaritropites according to E. T. Tozer 1994
Sister taxa: Margaritropites kokeni, Margaritropites margaritiformis
Average measurements (in mm): shell width 30.5, shell diameter 48.0