Cephalopoda - Ammonitida - Scaphitidae
Full reference: W. A. Cobban. 1987. The Upper Cretaceous ammonite Rhaeboceras Meek in the western interior of the United States. United States Geological Survey Professional Paper 1477:1-15
Belongs to Rhaeboceras according to J. C. Grier and J. W. Grier 1998
See also Cobban 1987
Sister taxa: Ammonites opalus, Rhaeboceras albertense, Rhaeboceras cedarense, Rhaeboceras coloradoense, Rhaeboceras halli, Rhaeboceras mullananum, Rhaeboceras subglobosum, Rhaeboceras whiteavesi
Type specimen: USNM 413047, a shell. Its type locality is USGS Mesozoic D5663, east of Mosby, which is in a Campanian marine shale in the Bearpaw Shale Formation of Montana.
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (2: Montana collections)
Total: 2 collections including 3 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.