Cephalopoda - Ceratitida - Megaphyllitidae
Alternative combination: Megaphyllites septentrionalis
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 Humboldtites according to N. J. Silberling and K. M. Nichols 1982
See also Smith 1914
Sister taxa: none
Type specimen: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 25.0
Distribution:
• Triassic of United States (4: Nevada collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.