liik
Ctenoceras sweeti Kröger et Isakar, 2006
Tüüpeksemplari andmed
Taksoni kirjeldused
Kröger & Isakar, 2006
Diagnosis. Ctenoceras with compressed shell. Irregular, widely spaced annulations, with one to two annulations at a length equal to the diameter of the conch, each ridge of the annulations between two subsequent suture lines. Apical angle about 1°. Siphuncular diameter 1/6th of shell diameter
Sünonüümika
2006 Ctenoceras sweeti n. sp. — Kröger & Isakar , lk. 147, joon. 7M,N; 10F,G
Valik taksonit käsitlevast teaduskirjandusest
Kröger, B., Isakar, M. 2006. Revision of annulated orthoceridan cephalopods of the Baltoscandic Ordovician. Fossil Record 9, 1, 137-163. DOI:10.1002/mmng.200600005
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Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Cephalopoda |
| alamklass | Orthoceratia |
| selts | Orthocerida |
| alamselts | Orthoceratina |
| sugukond | Orthoceratidae |
| alamsugukond | Orthoceratinae |
| perekond | Ctenoceras |
| liik | schmidti |
| sweeti |
See also
Levik kirjandusandmetel
- Kröger & Isakar, 2006 Osmussaar 1 Lasnamäe lade
- Kröger & Isakar, 2006 Väike-Pakri Lasnamäe lade