†superfamily Clydonitoidea von Mojsisovics 1879 (ceratite)

Cephalopoda - Ceratitida

Alternative spelling: Clydonitacea

Parent taxon: Ceratitina according to V. Pieroni and M. Balini 2026

See also Zeiss 1977

Sister taxa: Acrochordiceratidae, Celtitidae, Ceratitoidea, Danubitoidea, Meekoceratidae, Paranannitidae, Ussuriidae

Subtaxa: Trachyceratidae

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Ecology: nektonic carnivore

Distribution:

• Triassic of Afghanistan (2 collections), Austria (7), Bosnia and Herzegovina (2), Canada (191: Alberta, British Columbia, Northwest Territories, Nunavut, Yukon), China (26), Croatia (1), Germany (3), Greece (3), Hungary (12), India (7), Indonesia (13), Israel (3), Italy (236), Japan (5), Malaysia (4), Mexico (3), Nepal (3), Papua New Guinea (1), Peru (1), Romania (2), the Russian Federation (51), Serbia (1), Slovenia (6), Spain (25), Svalbard and Jan Mayen (9), Switzerland (1), Thailand (4), Türkiye (17), Ukraine (2), United States (55: Alaska, California, Nevada, Oregon), Vietnam (1)

Total: 697 collections including 1319 occurrences

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