Cephalopoda - Ammonitida - Acanthoceratidae
Full reference: W. A. Cobban. 1972. New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States. United States Geological Survey Professional Paper 699:1-24
Belongs to Paracompsoceras according to W. J. Kennedy et al. 1988
See also Cobban 1972
Sister taxa: none
Type specimen: USNM 166358, a shell. Its type locality is USGS Mesozoic D6130, north of Little Narrows, which is in a Cenomanian marine sandstone in the Dakota Sandstone Formation of New Mexico.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 62.8
Distribution:
• Cretaceous of United States (6: New Mexico collections)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.