Cephalopoda - Orthoceratoidea - Brachycycloceratidae

Alternative combinations: Orthoceras (Cycloceras) cyclophorum, Orthoceras cyclophorum

Full reference: W. H. Waagen. 1879. Productus Limestone Fossils, Part I. Salt Range Fossils, Palaeontologia Indica, Series 13 1(1):1-72

Belongs to Brachycycloceras according to H. Termier and G. Termier 1977

Sister taxon: Brachycycloceras rustaqense