Vallonia Minidonta Snail (Minidonta vallonia)  

This species was described in 2000 based on subfossil shells that were discovered near the cemetery of an abandoned village on the island of Taravai, Gambier Islands.  

The shells are about 0,18 cm in diameter. [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: 05.10.2017