Cephalopoda - Orthocerida - Tripteroceratidae
Parent taxon: Orthocerida according to B. Kröger and M. Aubrechtová 2019
See also Crick 1981, Evans 1994, Frey 1995, Miagkova 1967, Stait 1982 and Teichert et al. 1964
Sister taxa: Acrosphaerorthoceras, Aptychopsis, Arionoceratidae, Arterioceras, Badouceras, Baltoceratidae, Bogoslovskya, Brachycycloceratidae, Chicagooceras, Cornuella, Cryptocycloceras, Cycloceras, Dictyoceras, Esopoceras, Folioceras, Garryoceras, Heloceras, Jangziceras, Joldagiroceras, Kentronites, Kionoceratidae, Loxoceras, Mericoceras, Molossus, Murchisoniceras, Naivs, Nebroceras, Neorthoceras, Orthoceratidae, Orthoceratina, Orthodochmiocerataceae, Paradnatoceras, Paramooreoceras, Plicatoceras, Podoliceras, Proteoceratidae, Pseudorthocerataceae, Pseudorthoceratoidea, Pythonoceras, Rhabdites, Rhipsites, Sactorthoceratidae, Sannionites, Sichuanaceras, Sichuanoceratidae, Sphaerorthoceratidae, Sphaerortoceratidae, Subspyroceras, Tartaroceras, Tretoceras, Trispectes, Uralharuspex, Vericeras, Zhuralevia, Allumettoceratidae, Michelinoceratidae, Cycloceratidae, Engorthoceratidae, Choanoceratidae, Striatoceratidae, Eskimoceratidae
Subtaxa: Allumettoceras Eotripteroceras Hadoceras Mucteoceras Rasmussenoceras Tripteroceras Tripterocerina Zeehanoceras
Ecology: nektonic carnivore
Distribution:
• Silurian of the Russian Federation (1 collection)
• Ordovician of Australia (1), Canada (6: Northwest Territories, Nunavut, Saskatchewan), Estonia (1), Greenland (1), Ireland (3), Norway (4), the Russian Federation (1), Sweden (1), the United Kingdom (1), United States (28: Colorado, Illinois, Iowa, Wisconsin, Indiana, Kentucky, Minnesota, New York, Ohio, South Dakota, Wyoming)
Total: 48 collections including 70 occurrences