†family Thetiditidae Tozer 1971 (ceratite)
Cephalopoda - Ceratitida - Thetiditidae
Parent taxon: Clydonitaceae according to E. T. Tozer 1994
See also Tozer 1981
Sister taxa: Clionitidae, Clydonitidae, Heraclitidae, Sandlingitidae, Steinmannitidae, Tibetitidae
Subtaxa: Acanthothetidites Eothetidites Helictites Idaoceras Leislingites Nassichukites Parathetidites Pseudothetidites Thetidites
Type: Thetidites
Ecology: nektonic carnivore
Distribution:
• Triassic of Canada (33: British Columbia collections), India (1), Indonesia (13), Nepal (1), Oman (1)
Total: 49 collections including 84 occurrences