Family
Kionoceratidae Hyatt, 1900
List of species
3. Ringoceras praecurvum Strand, 1934 | Ordovician
Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Cephalopoda |
Subclass | Orthoceratia |
Order | Orthocerida |
Suborder | Orthoceratina |
Family | Baltoceratidae |
Choanoceratidae | |
Kionoceratidae | |
Genus | Kionoceras |
Polygrammoceras | |
Ringoceras | |
Family | Stereoplasmoceratidae |
Genus | Tripteroceras |
See also