Cephalopoda - Ammonitida - Pachydiscidae
Alternative combinations: Pachydiscus (Neodesmoceras) catarinae, Parapachydiscus catarinae
Full reference: F. M. Anderson and G. D. Hanna. 1935. Cretaceous geology of Lower California. Proceedings of the California Academy of Sciences 23(1):1-34
Belongs to Neodesmoceras according to P. D. Ward et al. 2012
See also Anderson and Hanna 1935 and Matsumoto 1960
Sister taxa: Pachydiscus (Neodesmoceras) mokotibensis, Pachydiscus (Neodesmoceras) obsoletiformis, Pachydiscus (Neodesmoceras) princeps, Pachydiscus (Neodesmoceras) soma
Type specimen: CAS 1431.01, a shell. Its type locality is CAS 1431, Catarina Landing, which is in a Maastrichtian marine siliciclastic in the Rosario Formation of Mexico.
Average measurements (in mm): shell diameter 503.0
Distribution:
• Cretaceous of Mexico (3 collections), United States (3: California)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.