Allonautilus

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Allonautilus
Allonautilus scrobiculatus.png
Allonautilus scrobiculatus shell with periostracum removed
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Nautilida
Family: Nautilidae
Genus: Allonautilus
Ward & Saunders, 1997
Species

Allonautilus perforatus
Allonautilus scrobiculatus (type)

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[edit]

  1. ^ 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.

External links[edit]