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 (Paracadoceras) according to R. W. Imlay 1953
Sister taxa: Cadoceras (Paracadoceras) chisikense, Cadoceras (Paracadoceras) multiforme, Cadoceras (Paracadoceras) tonniense
Type specimen: USNM 108084, a shell. Its type locality is USGS Mesozoic 10986, Iniskin Peninsula, which is in a Callovian marine siliciclastic in the Chinitna Formation of Alaska.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 83.0
Distribution:
• Jurassic of Canada (1: British Columbia collection), United States (1: Alaska)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.