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