†subfamily Japonitinae Tozer 1971 (ceratite)
Cephalopoda - Ceratitida - Gymnitidae
Parent taxon: Gymnitidae according to E. T. Tozer 1994
Sister taxa: Constrigymnites, Costigymnites, Eogymnites, Epigymnites, Gymnites, Gymnitinae, Kiparisovia, Parapinacoceras, Paraplacites, Phyllytoceras, Placitinae, Protoplatytes, Tropigymnites, Xiphogymnites
Subtaxa: none
Ecology: nektonic carnivore
Distribution:
• Triassic of Canada (2: British Columbia collections), Romania (1), the Russian Federation (1), United States (6: Nevada)
Total: 10 collections including 11 occurrences