Cephalopoda - Ceratitida - Ptychitidae
Full reference: J. P. Smith. 1914. The Middle Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 83:1-254
Belongs to Ptychites according to J. P. Smith 1914
See also Silberling and Nichols 1982
Sister taxa: Ptychites besnosovi, Ptychites breunigi, Ptychites cognatus, Ptychites cultrata, Ptychites cylindroides, Ptychites densistriatus, Ptychites domatus, Ptychites dontianus, Ptychites durandii, Ptychites embreei, Ptychites eusomus, Ptychites everesti, Ptychites evolvens, Ptychites gibbus, Ptychites globus, Ptychites gradinarui, Ptychites guloensis, Ptychites hamatus, Ptychites intermedius, Ptychites mahendra, Ptychites maximus, Ptychites miyagiensis, Ptychites nipponicus, Ptychites noricus, Ptychites oppeli, Ptychites opulentus, Ptychites posthumus, Ptychites progressus, Ptychites pseudoeuglyphus, Ptychites rectangulatus, Ptychites reductus, Ptychites rugifer, Ptychites sahadeva, Ptychites stachei, Ptychites stoliczkai, Ptychites sumitra, Ptychites tibetanus, Ptychites trochleaeformis, Ptychites uhligi, Ptychites vidura, Ptychites wrighti
Type specimen: Its type locality is Divide between Troy Canyon and South Fork of American Canyon, which is in an Illyrian marine limestone in Nevada
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 80.0
Distribution: found only at Divide between Troy Canyon and South Fork of American Canyon
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.