ammonites
banner
Gateway to the Paleobiology Database
Ptychoceras aequicostatus Gabb 1864 (ammonite)

Cephalopoda - Ammonitida

PaleoDB taxon number: 235221

Alternative combinations: Hamites (Ptychoceras) aequicostatum, Helicancylus aequicostatus

Full reference: W. M. Gabb. 1864. Description of the Cretaceous fossils. Geological Survey of California Palaeontology 1:57-217

Belongs to Ancyloceratoidea according to C. Frau et al. 2017

Sister taxa: Acrioceratidae, Ancyloceratidae, Crioceratitidae, Hemihoplitidae, Heteroceratidae, Himantoceratidae, Labeceratidae, Ptychoceratidae

Ecology: fast-moving nektonic carnivore