†Neophylloceras ultinatum Spath 1953 (ammonite)
Cephalopoda - Phylloceratida - Phylloceratidae
Belongs to Neophylloceras according to M. K. Howarth 1965
Sister taxa: Hypophylloceras (Neophylloceras) ramosus, Neophylloceras hetonaiense, Neophylloceras nera
Type specimen: BMNH C41477, a shell.
Ecology: nektonic carnivore