†Glyptoxoceras ellisoni Young 1963 (ammonite)
Cephalopoda - Ammonoidea - Diplomoceratidae
Belongs to Glyptoxoceras according to W. J. Kennedy et al. 2001
Sister taxa: Glyptoxoceras aquisgranense, Glyptoxoceras brasiliense, Glyptoxoceras parahybense, Glyptoxoceras retrorsum, Glyptoxoceras rugatum, Glyptoxoceras texanum
Ecology: fast-moving nektonic carnivore