Family
Arionoceratida Dzik, 1984
Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Cephalopoda |
Subclass | Orthoceratia |
Order | Orthocerida |
Suborder | Orthoceratina |
Family | Arionoceratida |
Genus | Parakionoceras |
Family | Arionoceratidae |
Dawsonoceratidae | |
Eriditidae | |
Geisonoceratidae | |
Lamellorthoceratidae | |
Orthoceratidae | |
Proteoceratidae | |
Tripteroceratidae |