Chichijimana Whorl Snail (Gastrocopta chichijimana)
The Chichijimana Whorl Snail was described in 1916; it is only known from the island of Chichijima in the Ogasawara Islands, Japan.
The shells reach heights of about 0.24 cm; they are rimate, ovate-conic, pale olive buff and almost smooth but hardly shining, the aperture has eight teeth of which three are on the parietal wall.
The species disappeared sometimes during the middle 20th century.
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(public domain)
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edited: 22.01.2024