Genus
Rizosceras Hyatt, 1884
Aiheeseen liittyvät julkaisut
Kröger, B. 2025. The Lyckholm acme of cephalopods – Review of the late Katian (Vormsi–Pirgu regional stages) Ordovician cephalopods of Estonia. European Journal of Taxonomy 978, 1-168. DOI:10.5852/ejt.2025.978.2801
List of species
1. Rizosceras teres Kröger, 2025 | Vormsi Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Multiceratia |
| Order | Oncocerida |
| Family | Oncoceratidae |
| Genus | Beloitoceras |
| Cyrtorizoceras | |
| Dalecarlioceras | |
| Neumatoceras | |
| Oncoceras | |
| Oocerina | |
| Paramiamoceras | |
| Retizitteloceras | |
| Richardsonoceras | |
| Richardsonoceroides | |
| Rizosceras | |
| Species | teres |