Genus

Orthocycloceras Barskov, 1972

List of species
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Classification
Organism groupBiota
KingdomAnimalia
PhylumMollusca
ClassCephalopoda
SubclassOrthoceratia
OrderOrthocerida
SuborderOrthoceratina
FamilyOrthoceratidae
SubfamilyOrthoceratinae
GenusCtenoceras
Orthoceras
Orthocycloceras
Speciesfluminense
ibex
GenusStriatocycloceras