Semicassis bisulcata (Schubert & Wagner, 1829)
50mm

This appears to be Semicassis bisulcata. It was on sand at night in the Nggela Islands.

It appears to be a rather variable shell, if indeed these are the same. 49.9mm, Ruaniu, Guadalcanal

Created 20 January 2021
Updated 5 May 2024

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