- Allonautilus
image_caption = "Allonautilus scrobiculatus" shell with periostracum removed
regnum =Animal ia
phylum =Mollusca
classis =Cephalopod a
ordo = Nautilida
familia = Nautilidae
genus = "Allonautilus"
genus_authority = Ward & Saunders, 1997
subdivision_ranks =Species
subdivision ="Allonautilus perforatus ""Allonautilus scrobiculatus" (type)The
genus "Allonautilus" contains two species ofnautilus es, which differ significantly in terms of morphology from those placed in the sistertaxon "Nautilus". "Allonautilus" is now thought to be a descendant of "Nautilus" and the latter paraphyletic.External links
* [http://www.findarticles.com/p/articles/mi_qa3790/is_199711/ai_n8768905 "Allonautilus": A new genus of living nautiloid cephalopod and its bearing on phylogeny of the Nautilida]
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