Cephalopoda - Ammonitida - Cardioceratidae
Full reference: R. W. Imlay. 1953. Callovian (Jurassic) ammonites from the United States and Alaska Part 2. Alaska Peninsula and Cook Inlet regions. United States Geological Survey Professional Paper 249-B:41-108
Belongs to Cadoceras according to R. W. Imlay 1953
Sister taxa: Cadoceras (Bryocadoceras), Cadoceras (Pseudocadoceras), Cadoceras (Stenocadoceras), Cadoceras arcticum, Cadoceras bathomphalum, Cadoceras bellabimba, Cadoceras bodylevskyi, Cadoceras comma, Cadoceras doroschini, Cadoceras falsum, Cadoceras glabrum, Cadoceras kialagvikense, Cadoceras milaschewici, Cadoceras pishmae, Cadoceras septentrionale, Cadoceras sublaeve, Cadoceras voronetsae, Cadoceras wosnessenskii
Type specimen: USNM 108069, a shell. Its type locality is USGS Mesozoic 3029, Iniskin Bay, which is in a Callovian marine siliciclastic in the Chinitna Formation of Alaska.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 56.6
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.