File:Orthoceras cochleatus.jpg
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Summary
| Description |
English: Fossil of Armenoceras (formerly Orthoceras) cochleatus SCHLOTHEIM, an extinct orthocone nautiloid cephalopod from the early Paleozoic, on display at the Museo di Paleontologia di Firenze. The preserved body part is a fragment of the fossilized siphuncle, i.e. a part of an internal structure of the nautiloid shell. The constrictions represent the passages of the siphuncle through the chamber walls (septae) of the shell. |
| Date | |
| Source | Own work |
| Author | Ghedoghedo |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:17, 5 August 2012 | | 1,173 × 740 (181 KB) | Ghedoghedo |
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