ammonites
Glyptoxoceras rugatum Forbes 1846 (ammonite)

Cephalopoda - Ammonoidea - Diplomoceratidae

Alternative combinations: Glyptoxoceras rugatus, Hamites rugatus

Belongs to Glyptoxoceras according to W. J. Kennedy et al. 1997

Sister taxa: Glyptoxoceras aquisgranense, Glyptoxoceras brasiliense, Glyptoxoceras ellisoni, Glyptoxoceras parahybense, Glyptoxoceras retrorsum, Glyptoxoceras texanum

Ecology: fast-moving nektonic carnivore