†Heptodon calciculus Cope 1880
Alternative combinations: Lophiodon calciculus, Pachynolophus calciculus
Synonyms: Heptodon ventorum Cope 1880, Lophiodon ventorum Cope 1880, Pachynolophus ventorum Cope 1880
Belongs to Heptodon according to M. W. Colbert and R. M. Schoch 1998
Sister taxon: Heptodon posticus
Average measurements (in mm): m1 9.85 x 7.06