Umbilicated Disc Snail (Anceyodonta umbilicata)
This species, which was described based on subfossil shells in 2000, is known exclusively from the island of Taravai, Gambier Islands in French Polynesia. [1]
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References
[1] Ahmed Abdou; Philippe Bouchet: Nouveaux gastéropodes Endodontidae et Punctidae (Mollusca, Pulmonata) récemment éteints da l’archipel des Gambier (Polynésie). Zoosystema 22(4): 689-707. 2000
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edited: 21.03.2018