Cephalopoda - Ammonitida - Ancyloceratidae
Alternative combinations: Ancyloceras percostatus, Crioceras percostatus
Full reference: W. M. Gabb. 1864. Description of the Cretaceous fossils. Geological Survey of California Palaeontology 1:57-217
Belongs to Tropaeum according to F. M. Anderson 1938
See also Gabb 1864 and Gabb 1869
Sister taxa: Tropaeum (Tropaeum), Tropaeum antarcticum, Tropaeum arcticum, Tropaeum australe, Tropaeum caseyi, Tropaeum hillsi, Tropaeum imperator, Tropaeum irregulare, Tropaeum jackii, Tropaeum lampros, Tropaeum leptum, Tropaeum subsimbirskense, Australiceras gracile, Australiceras mozambiquense, Australiceras argus, Australiceras (Proaustraliceras)
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (3: California collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.