Cephalopoda - Ammonitida - Cardioceratidae
Full reference: R. W. Imlay. 1962. Jurassic (Bathonian or Early Callovian) Ammonites from Alaska and Montana. Geological Survey Professional Paper 374-C:1-32
Belongs to Arctocephalites (Cranocephalites) according to R. W. Imlay 1962
Sister taxa: Arctocephalites (Cranocephalites) gracilis, Arctocephalites (Cranocephalites) maculatus, Arctocephalites (Cranocephalites) platynotus, Arctocephalites (Cranocephalites) pompeckji, Arctocephalites (Cranocephalites) sawtoothensis
Type specimen: USNM 130745, a shell. Its type locality is USGS Mesozoic loc. 24116, Little Nelchina River, Talkeetna Mts., Cook Inlet, which is in a Bathonian marine siliciclastic in the Tuxedni Formation of Alaska.
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of United States (9: Alaska collections)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.