Genus

Polygrammoceras Foerste, 1928

List of species
Klassificering
Organism groupBiota
KingdomAnimalia
PhylumMollusca
ClassCephalopoda
SubclassOrthoceratia
OrderOrthocerida
FamilyKionoceratidae
GenusKionoceras
Polygrammoceras
Speciesbullatum
GenusRingoceras