Parent taxon: Orthoceratoidea according to A. Pohle et al. 2022
See also Evans 2011, Kröger and Evans 2011, Kröger and Lefebvre 2012 and Zhuravleva 1994
Sister taxa: Actinocerida, Lituitida, Offleyoceratidae, Orthocerida, Paraphragmitidae, Protobactritidae, Riocerida, Slemmestadoceras, Orthoceras baconicum, Orthoceras austriacum, Orthoceras acum, Orthoceras subtiliseptatum, Orthoceras increscens, Orthoceras rotundulum, Orthoceras pulchellum, Orthoceras blakei, Orthoceras lennaense, Pseudorthocerida, Orthoceras variestriatum, Orthoceras styriacum, Orthoceras subellipticum, Orthoceras triadicum, Orthoceras indoaustralicum, Orthoceras celticum, Orthoceras billiemense, Orthoceras nodosum, Orthoceras sandlingense, Orthoceras spitiense, Orthoceras pulchristriatum, Orthoceras lateseptatum, Orthoceras multilabiatum, Orthoceras shastense, Orthoceras mojsisovicsi
Subtaxa: Bajkaloceratidae Dissidocerataceae Geisonoceratidae Intejoceratidae Polymeridae Rangeroceratidae Troedssonellaceae Troedssonellidae
Ecology: fast-moving nektonic carnivore