Allonautilus
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Allonautilus
| Allonautilus | |
|---|---|
 |
|
| Allonautilus scrobiculatus shell with periostracum removed | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Nautilida |
| Family: | Nautilidae |
| Genus: | Allonautilus Ward & Saunders, 1997 |
| Species | |
The genus Allonautilus contains two species of nautiluses, which differ significantly in terms of morphology from those placed in the sister taxon Nautilus.[1] Allonautilus is now thought to be a descendant of Nautilus and the latter paraphyletic.
References
- ^ Ward, P.D. & W.B. Saunders 1997. Allonautilus: a new genus of living nautiloid cephalopod and its bearing on phylogeny of the Nautilida. Journal of Paleontology 71(6): 1054–1064.
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