White-patch Nautilus
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Data deficient
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| Nautilus stenomphalus 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 18 cm in diameter, although the largest specimen ever recorded measured 201 mm.[1]
[edit] References
- ^ Pisor, D. L. (2005). Registry of World Record Size Shells, 4th edition, Snail's Pace Productions and ConchBooks, p. 93.
- Norman, M. 2000. Cephalopods: A World Guide. Hackenheim, ConchBooks, p. 31.
[edit] External links
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