This species was described in 1976 based on several specimens that were collected in 1934; it was inhabiting the native vegetation on the western ridge of Mt. Perahu on the island of Rapa, Austral Islands.

The shells reach sizes of about 0,3 to 0,34 cm in diameter.

This species might now be extinct, it has not been recorded during recent field studies.

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edited: 14.08.2022