Cephalopoda - Ceratitida - Ceratitidae
Alternative combinations: Ceratites (Philippites) lawsoni, Ceratites (Phillipites) lawsoni, Frechites lawsoni
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 Dixieceras according to C. Monnet and H. Bucher 2005
See also Smith 1914 and Spath 1934
Sister taxa: none
Type specimen: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (rotelliformis), which is in an Illyrian marine limestone in Nevada
Average measurements (in mm): shell diameter 35.0
Distribution:
• Triassic of United States (13: Nevada collections)
Total: 13 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.