Clydonautilus is a genus of nautiloids and type for the Clydonautilidae that has been found in the Upper Triassic of Europe, India, and Timor. Its type is C. noricus.
| Clydonautilus Temporal range: Late Triassic
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Nautilida |
| Family: | †Clydonautilidae |
| Genus: | †Clydonautilus Mojsisovics 1882 |
Clydonautilus is the most derived of the Clydonautilitidae, evidenced in its suture. The shell itself is smooth and involute, with only the outer whorl exposed. The diagnostic suture has a small median saddle in the ventral lobe which in turn has a smaller shallow lobe. Those in other clydonautilitids are less complex.
References
edit- Bernhard Kummel, 1964. Nautiloidea -Natilida. Treatise on Invertebrate Paleontology, Part K. Geological Society of America and University of Kansas Press.
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