Species
Richardsonoceras priscum (Eichwald, 1860)
Synonymy list
1860     Cyrtoceras priscum sp. nov. — Eichwald , pp. 1285, fig. pl. 47 fig. 10a–c
2025     Richardsonoceras priscum (Eichwald, 1860) comb. nov. — Kröger , pp. 89, fig. Fig. 35C–D
Selection of related publications
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,      1-169. DOI:10.5852/ejt.2025.978.2801
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Cephalopoda | 
| Subclass | Multiceratoidea | 
| Order | Oncocerida | 
| Family | Oncoceratidae | 
| Genus | Richardsonoceras | 
| Species | gastroscopium | 
| gerhardi | |
| goldmanni | |
| haelluddenense | |
| priscum | 
References based on distribution
- Kröger, 2025 Kõrgessaare outcrop Vormsi Stage