Cephalopoda - Orthocerida - Orthoceratidae

Belongs to Orthoceras according to Dwight 1884

Sister taxa: Orthocera elegans, Orthocera ellipticum, Orthocera freieslebense, Orthocera inducens, Orthocera politum, Orthocera subundata, Orthoceras blakei, Orthoceras burgense, Orthoceras decrescens, Orthoceras elegantulum, Orthoceras elongatocinctum, Orthoceras expansum, Orthoceras gradatum, Orthoceras hulli, Orthoceras lepton, Orthoceras luhai, Orthoceras oehlerti, Orthoceras orientale, Orthoceras punjabiense, Orthoceras rachidium, Orthoceras shastense, Orthoceras siculum, Orthoceras subtriangulare, Orthoceras vesiculosum, Orthoceras waageni, Orthoceros regularis

Ecology: nektonic carnivore