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Bellybutton Nautilus

Nautilus macromphalus

Classification

Nautilus macromphalus, the bellybutton nautilus, is a species of nautilus native to the waters off New Caledonia and northeastern Australia. The shell of this species lacks a callus, leaving the umbilicus exposed, in which the inner coils of the shell are visible. This opening constitutes about 15% of the shell diameter at its widest point.

Distribution

(c) anonymous, some rights reserved (CC BY-SA) · CC-BY-SA
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Countries in the Picchu catalog
France · 30