White-patch Nautilus

White-patch Nautilus

Taxobox
name = White-patch Nautilus
status =


image_width =
regnum = Animalia
phylum = Mollusca
classis = Cephalopoda
ordo = Nautilida
familia = Nautilidae
genus = "Nautilus"
species = "N. stenomphalus"
binomial = "Nautilus stenomphalus"
binomial_authority = Sowerby, 1848

The White-patch Nautilus ("Nautilus stenomphalus") 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. [cite book | author = Pisor, D. L. | year = 2005 | title = Registry of World Record Size Shells | edition = 4th edition | publisher = Snail's Pace Productions and ConchBooks | pages = p. 93]

References

* Norman, M. 2000. "Cephalopods: A World Guide". Hackenheim, ConchBooks, p. 31.

External links


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