Genus
Kionoceras Hyatt, 1844
List of species
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Family | Kionoceratidae |
| Genus | Kionoceras |
| Species | virgatum |
| Genus | Polygrammoceras |
| Ringoceras |