
Helmet Shell - Semicassis labiata
The Helmet Shell - Semicassis labiata (formerly also known as Phalium labiatum) is a species of large predatory sea snail, a marine gastropod mollusc.
There are 3 known/recognised sub-species :
Semicassis labiata iheringi (Carcelles, 1953)
Semicassis labiata labiata (G. Perry, 1811)
Semicassis labiata zeylanica (Lamarck, 1822)
Am not sure which sub-species this particular Spotting is of.

''Semicassis labiata'' is a species of large predatory sea snail, a marine gastropod mollusc. This species is in the subfamily Cassinae, the "helmet shells" and "bonnet shells", which feed on sea urchins.
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