Cephalopoda - Ammonitida - Acanthoceratidae
Alternative combination: Calycoceras (Eucalycoceras) diabloense
Full reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378
Belongs to Eucalycoceras according to D. A. A. Mertz 2017
See also Anderson 1958 and Matsumoto 1959
Sister taxa: Eucalycoceras (Proeucalycoceras), Eucalycoceras barcusi, Eucalycoceras collignoni, Eucalycoceras denizoti, Eucalycoceras gothicum, Eucalycoceras jeanneti, Eucalycoceras pentagonum, Eucalycoceras pervinquierei, Eucalycoceras shastense, Eucalycoceras templetonense
Type specimen: CAS 25627.01, a shell. Its type locality is CAS loc. 25627, Curry Canyon, which is in a Cenomanian marine siliciclastic in California.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 93.0
Distribution: found only at CAS loc. 25627, Curry Canyon
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.