Cephalopoda - Ammonitida - Muniericeratidae
Alternative combination: Pachydiscus averilli
Full reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378
Belongs to Tragodesmoceras according to T. Matsumoto 1959
See also Anderson 1958
Sister taxa: Tragodesmoceras ashlandicum, Tragodesmoceras bassi, Tragodesmoceras carlilense, Tragodesmoceras clypealoides, Tragodesmoceras dresdense, Tragodesmoceras socorroense
Type specimen: CAS 61631.01, a shell. Its type locality is North bank of Sacramento River at Redding, which is in a Turonian marine siliciclastic in California.
Average measurements (in mm): shell diameter 85.0
Distribution: found only at North bank of Sacramento River at Redding
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.