Parent taxon: Orthocerida according to R. E. Crick 1981
See also Sepkoski 2002 and Teichert et al. 1964
Sister taxa: Acrosphaerorthoceras, Aptychopsis, Arionoceratidae, Arterioceras, Badouceras, Baltoceratidae, Bogoslovskya, Brachycycloceratidae, Chicagooceras, Cornuella, Cryptocycloceras, Cycloceras, Dictyoceras, Esopoceras, Folioceras, 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, Tripteroceratidae, Trispectes, Uralharuspex, Vericeras, Zhuralevia, Striatoceratidae, Michelinoceratidae, Eskimoceratidae, Cycloceratidae, Engorthoceratidae, Allumettoceratidae, Choanoceratidae
Subtaxa: none
Ecology: nektonic carnivore
Distribution: found only at Putnam Highland, Strata Correlating to Red River Fm, Selkirk Limestone (Ordovician of Northwest Territories)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.