Cephalopoda - Ceratitida - Paranannitidae
Parent taxon: Ceratitina according to K. Tongtherm et al. 2016
See also Kummel 1969, Kummel and Steele 1962, Shigeta and Nguyen 2014, Shigeta and Zakharov 2009, Spath 1934 and Tozer 1994
Sister taxa: Acrochordiceratidae, Celtitidae, Clydonitoidea, Meekoceratidae, Ussuriidae
Subtaxa: Arianites Chioceras Chiotites Epiceltites Isculitioides Metinyoites Monacanthinites Omanites Owenites Prosphingitoides Protropites Pseudoprosphingites Steckites Subowenites Zenoites
Ecology: nektonic carnivore
Distribution:
• Triassic of Afghanistan (3 collections), Albania (1), Canada (1: Nunavut), China (68), Greece (10), India (12), Indonesia (11), Japan (5), Kazakhstan (1), Malaysia (1), Myanmar (1), Oman (18), Pakistan (1), the Russian Federation (33), Serbia (1), Svalbard and Jan Mayen (1), Tajikistan (1), Thailand (1), United States (24: Alaska, California, Idaho, Nevada, Utah, Washington), Vietnam (12)
Total: 206 collections including 271 occurrences