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
See also Imlay 1953
Sister taxa: Cadoceras (Bryocadoceras), Cadoceras (Pseudocadoceras), Cadoceras bathomphalum, Cadoceras bellabimba, Cadoceras doroschini, Cadoceras glabrum, Cadoceras kialagvikense, Cadoceras pishmae, Cadoceras tenuicostatum, Cadoceras wosnessenskii
Type specimen: USNM 108057, a shell. Its type locality is USGS Mesozoic 21348, Iniskin Peninsula, which is in a Callovian marine siltstone in the Chinitna Formation of Alaska.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 49.2
Total: 26 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.