Synonym: Hammelloceratidae Shimizu and Obata 1936
Full reference: R. H. Flower. 1962. Part 1, Revision of Buttsoceras, Part 2, Notes on the Michelinoceratida. State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, Memoir 10:1-58
Parent taxon: Orthocerida according to B. Kröger et al. 2011
Sister taxa: Acrosphaerorthoceras, Aethiosolen, Arionoceratidae, Arterioceras, Badouceras, Baltoceratidae, Bogoslovskya, Bohemites, Cedarvilleoceras, Chicagooceras, Coralloceras, Cornuella, Cryptocycloceras, Cycloceras, Dawsonoceratidae, Dictyoceras, Donacoceras, Eriditidae, Esopoceras, Folioceras, Garryoceras, Geisonoceratidae, Geisonocerina, Greenlandoceras, Haruspex, Heloceras, Jangziceras, Joldagiroceras, Kionoceratidae, Leurocycloceras, Loxoceras, Mericoceras, Molossus, Mongoceras, Murchisoniceras, Naivs, Narthecoceratidae, Nebroceras, Neorthoceras, Neosichuanoceras, Ophidioceras, Orthoceratidae, Palaeocycloceras, Paradnatoceras, Paramooreoceras, Plicatoceras, Podoliceras, Protobactrites, Pseudokionoceras, Pseudorthocerataceae, Pseudotemperoceras, Pythonoceras, Rhabdites, Rhipsites, Richmondoceras, Sactoceras, Sannionites, Siberioceras, Sichuanaceras, Sichuanoceratidae, Sphaerorthoceratidae, Sphaerortoceratidae, Standardoceras, Subspyroceras, Tambegiroceras, Tartaroceras, Tienoceras, Tretoceras, Trispectes, Tunguskoceras, Vericeras, Zeehanoceras, Zhuralevia, Clinoceratidae, Choanoceratidae, Greenlandoceratidae, Michelinoceratidae, Allumettoceratidae, Cycloceratidae, Eskimoceratidae, Striatoceratidae, Engorthoceratidae
Subtaxa: Archigeisonoceras, Baykonuroceras, Cyrtactinoceras, Ephippiorthoceras, Euorthoceras, Gangshanoceras, Gorbyoceras, Isorthoceras, Liulinoceras, Mesnaquaceras, Metephippiorthoceras, Monomuchites, Orthonybyoceras, Paraproteoceras, Proteoceras, Pseudoliolinoceras, Stereospyroceras, Tofangoceras, Transorthoceras, Treptoceras, Ulmioceras
Type: Proteoceras
Ecology: nektonic carnivore