Cephalopoda - Ammonitida - Collignoniceratidae
Alternative combination: Schloenbachia multicosta
Full reference: F. M. Anderson. 1902. Cretaceous Deposits of the Pacific Coast. Proceedings of the California Academy of Sciences 2(1):1-155
Belongs to Oregoniceras according to F. M. Anderson 1958
See also Anderson 1902
Sister taxa: Subprionocyclus branneri, Subprionocyclus hitchinensis, Subprionocyclus neptuni, Subprionocyclus normalis, Oregoniceras jacksonense, Oregoniceras condoni, Oregoniceras argonautarum, Oregoniceras phoenixense
Type specimen: CAS 61856.03, a shell
Average measurements (in mm): shell diameter 20.9
Distribution:
• Cretaceous of United States (2: California, Oregon collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.