Nautilus stenomphalus

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Nautilus stenomphalus
Nautilus stenomphalus (white-patch nautilus) (Mindanao, Philippines) 2 (24078294661).jpg
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Nautilida
Family: Nautilidae
Genus: Nautilus
Species: N. stenomphalus
Binomial name
Nautilus stenomphalus
Sowerby, 1848

Nautilus stenomphalus, also known as the white-patch nautilus, is a species of nautilus native to the Great Barrier Reef. N. stenomphalus is very similar to N. pompilius and may in fact represent a subspecies. It is separated by the absence of a thickened callus and the presence of white patches in the umbilical and shoulder regions of the shell. The sheaths of this species have scalloped edges compared with the smooth sheaths of N. pompilius. N. stenomphalus also differs slightly in hood ornamentation. The shell is usually up to around 180 mm in diameter, although the largest specimen ever recorded measured 201 mm.[1]


  1. ^ Pisor, D. L. (2005). Registry of World Record Size Shells (4th ed.). Snail's Pace Productions and ConchBooks. p. 93. 
  • Norman, M. 2000. Cephalopods: A World Guide. Hackenheim, ConchBooks, p. 31.

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