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 Pseudocadoceras according to R. W. Imlay 1953
Sister taxa: Cadoceras (Pseudocadoceras) catostoma, Cadoceras (Pseudocadoceras) grewingki, Pseudocadoceras boreale, Pseudocadoceras crassicostatum, Pseudocadoceras petelini, Pseudocadoceras schmidti
Type specimen: USNM 108120, a shell. Its type locality is USGS Mesozoic 21777, 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 32.0
Distribution:
• Jurassic of United States (4: Alaska collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.