†Tarrantoceras cuspidum Stephenson 1953 (ammonite)
Click image to enlarge. Click to access iDigBio record.
Cephalopoda - Ammonitida - Acanthoceratidae
Alternative combination: Acanthoceras cuspidum
Belongs to Tarrantoceras according to W. J. Kennedy and W. A. Cobban 1990
Sister taxa: Tarrantoceras (Sumitomoceras), Tarrantoceras (Tarrantoceras), Tarrantoceras exile, Tarrantoceras flexicostatum
Type specimen: USNM 105974, a shell
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (4: Montana, Texas 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.