Parent taxon: Endocerida according to B. Kröger and D. H. Evans 2011
Sister taxa: Allotrioceratidae, Bisonoceras, Botryceras, Cacheoceras, Chaohuceras, Chihlioceratidae, Chisiloceras, Choreanoceroides, Cyrtendoceratidae, Dartonoceras, Disphenoceras, Emmonsoceratidae, Endoceratidae, Eocameroceras, Farroceras, Hoyoceras, Humeoceratidae, Ignoceras, Juaboceras, Kiotoceras, Kugeloceras, Lobocyclendoceras, Manchuroceratidae, Najaceras, Palaeocyclendoceras, Paracyclendoceras, Perkinsoceras, Piloceratidae, Pronajaceras, Protocyclendoceras, Rossicoceras, Schmidtoceras, Sewardoceras, Telleroceras, Thylacoceratidae, Trinitoceras, Ventrolobendoceras, Williamsoceras, Winstonoceras, Yorkoceras
Subtaxa: Anthoceras, Campendoceras, Clitendoceras, Cotteroceras, Escharendoceras, Exoclitendoceras, Lobendoceras, Lobosiphon, Manitouoceras, Mccluskiceras, Mcqueenoceras, Meniscoceras, Mysticoceras, Oderoceras, Paraendoceras, Phragmosiphon, Platysiphon, Pliendoceras, Proendoceras, Proterocameroceras, Protocyptendoceras, Retroclitendoceras, Stenosiphon
Ecology: nektobenthic carnivore