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 triadicum, Orthoceras mojsisovicsi, Orthoceras variestriatum, Orthoceras billiemense, Orthoceras acum, Orthoceras rotundulum, Orthoceras pulchellum, Orthoceras indoaustralicum, Orthoceras multilabiatum, Orthoceras pulchristriatum, Orthoceras lennaense, Orthoceras increscens, Orthoceras nodosum, Orthoceras austriacum, Orthoceras subtiliseptatum, Orthoceras celticum, Pseudorthocerida, Orthoceras sandlingense, Orthoceras blakei, Orthoceras spitiense, Orthoceras styriacum, Orthoceras lateseptatum, Orthoceras subellipticum, Orthoceras shastense
Subtaxa: Bajkaloceratidae Dissidocerataceae Geisonoceratidae Intejoceratidae Polymeridae Rangeroceratidae Troedssonellaceae Troedssonellidae
Ecology: fast-moving nektonic carnivore