Waimanalo Philonesia Snail (Philonesia waimanaloi)

The Waimanalo Philonesia Snail was described in 1940 based on subfossil specimens that were collected from sand dunes at the Waimanalo beach on the eastern edge of O’ahu, Hawaiian Islands.

This species might have gone extinct shortly after the arrival of the first Polynesian settlers.

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References:  

[1] H. Burrington Baker: Zonitid snails from Pacific islands – part 2: Hawaiian genera of Microcystinae. Bishop Museum Bulletin 165: 105-223.1940

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edited: 14.07.2022