Parent taxon: Orthocerida according to C. Teichert et al. 1964
See also Sepkoski 2002
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, Sichuanaceras, Sichuanoceratidae, Sphaerorthoceratidae, Sphaerortoceratidae, Subspyroceras, Tartaroceras, Tretoceras, Tripteroceratidae, Trispectes, Uralharuspex, Vericeras, Zhuralevia, Eskimoceratidae, Striatoceratidae, Choanoceratidae, Cycloceratidae, Allumettoceratidae, Michelinoceratidae, Engorthoceratidae
Subtaxa: none
Ecology: nektonic carnivore
Distribution: there are no occurrences of Sannionites in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.