Parent taxon: Ceratitida according to N. Fantini Sestini 1996
See also Tozer 1994
Sister taxa: Anfaceras, Arcestina, Arcestoidea, Arctohungaritidae, Bajarunia, Caribouceras, Carteria, Ceratites whitneyi, Ceratitiaceae, Ceratitina, Ceratitoidea, Choristoceratoidea, Clydonitaceae, Coeloceltites, Courtilloticeras, Cycloceratidae, Danubitoidea, Dinaritoidea, Eschericeratites, Glabrites, Glabrites involucrus, Haidingerites, Jeanbesseiceras, Larenites, Lobitaceae, Lobitina, Meekocerataceae, Meekoceratina, Megaphyllitina, Megaphyllitoidea, Metassuria, Nathorstitaceae, Noritoidea, Obrutchevites, Otoceratina, Otocerina, Owenitidae, Paraacrochordiceras, Paraceltitina, Paraganides, Paratibites, Pinacoceratoidea, Pinacocerina, Poporites, Proavites, Procurvoceratites, Proptychitina, Protoceras, Ptychitina, Sagecerataceae, Stolleites, Subacerites, Tapponnierites, Trachyceratoidea, Tropitaceae
Subtaxa: Eosagenitidae Isculitidae
Type: Ptychites
Ecology: nektonic carnivore
Distribution:
• Triassic of Austria (2 collections), Canada (13: British Columbia), India (3), Nepal (2), the Russian Federation (5), Türkiye (6), United States (12: Nevada)
Total: 43 collections each including a single occurrence