Cephalopoda - Ammonitida - Collignoniceratidae
Full reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378
Belongs to Oregoniceras according to F. M. Anderson 1958
Sister taxa: Subprionocyclus branneri, Subprionocyclus hitchinensis, Subprionocyclus neptuni, Subprionocyclus normalis, Oregoniceras multicostum, Oregoniceras condoni, Oregoniceras argonautarum, Oregoniceras jacksonense
Type specimen: CAS 61812.01, a shell. Its type locality is Forty-nine mine, south of Phoenix (Turonian blocks), which is in a Turonian marine siliciclastic in Oregon.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 39.8
Distribution: found only at Forty-nine mine, south of Phoenix (Turonian blocks)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.