perekond
Ephippiorthoceras Foerste, 1924
Valik taksonit käsitlevast teaduskirjandusest
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
Strand, T. 1934. The Upper Ordovician Cephalopods of the Oslo Area. Norsk Geologisk Tidsskrift 14, 1-117.
Leitud liigid
1. Ephippiorthoceras frognoyense Strand, 1934 | Ülem-Ordoviitsium
2. Ephippiorthoceras plicatuloides Strand, 1934 | Ordoviitsium
3. Ephippiorthoceras vormsiense Kröger, 2025 | Pirgu lade
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Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Cephalopoda |
| alamklass | Orthoceratia |
| selts | Orthocerida |
| alamselts | Orthoceratina |
| sugukond | Proteoceratidae |
| perekond | Clothoceras |
| Ephippiorthoceras | |
| liik | frognoyense |
| plicatuloides | |
| vormsiense | |
| perekond | Gorbyoceras |
| Isorthoceras | |
| Transorthoceras |
See also