Cephalopoda - Ammonitida - Collignoniceratidae
Alternative combination: Oregoniceras normale
Full reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378
Belongs to Subprionocyclus according to W. J. Kennedy and A. S. Gale 2015
See also Anderson 1958, Jones 1967, Matsumoto 1959 and Wright 1979
Sister taxa: Subprionocyclus branneri, Subprionocyclus hitchinensis, Subprionocyclus neptuni, Oregoniceras multicostum, Oregoniceras condoni, Oregoniceras argonautarum, Oregoniceras jacksonense, Oregoniceras phoenixense
Type specimen: CAS 61812.02, a shell. Its type locality is Forty-nine mine, south of Phoenix (Turonian blocks), which is in a Turonian marine siliciclastic in Oregon.
Average measurements (in mm): shell diameter 44.0
Distribution:
• Cretaceous of France (1 collection), Germany (1), Japan (1), the United Kingdom (2), United States (5: California, Oregon)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.