perekond
Cyrtorizoceras Hyatt, 1900
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
Kröger, B. 2013. The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden. European Journal of Taxonomy 41, 41, 1-110. DOI:10.5852/ejt.2013.41
Teichert, C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Paläontologische Zeitschrift 12, 3/4, 264-312. DOI:10.1007/BF03044452
Leitud liigid
2. Cyrtorizoceras hariense Kröger, 2025 | Vormsi lade
3. Cyrtorizoceras tenue Strand, 1934 | Ordoviitsium
4. Cyrtorizoceras thorsundi Kröger, 2013 | Katy lade
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Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Cephalopoda |
| alamklass | Multiceratoidea |
| selts | Oncocerida |
| sugukond | Oncoceratidae |
| perekond | Beloitoceras |
| Cyrtorizoceras | |
| liik | borni |
| hariense | |
| minneapolis | |
| tenue | |
| thorsundi | |
| perekond | Dalecarlioceras |
| Neumatoceras | |
| Oncoceras | |
| Oocerina | |
| Paramiamoceras | |
| Retizitteloceras | |
| Richardsonoceras | |
| Richardsonoceroides | |
| Rizosceras |
See also