Species
Ctenoceras sweeti Kröger et Isakar, 2006
Taxon description
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
Type specimen data
Synonymy list
2006 Ctenoceras sweeti n. sp. — Kröger & Isakar , pp. 147 , fig. 7M,N; 10F,G
Selection of related publications
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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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Suborder | Orthoceratina |
| Family | Orthoceratidae |
| Subfamily | Orthoceratinae |
| Genus | Ctenoceras |
| Species | schmidti |
| sweeti |
See also
References based on distribution
- Kröger & Isakar, 2006 Osmussaar 1 Lasnamägi Stage
- Kröger & Isakar, 2006 Väike-Pakri Island Lasnamägi Stage