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