Aaadonta angaurana

Aaadonta angaurana is a small air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Endodontidae.

Distribution
This species is endemic to Angaur in the Palau Islands, as all members of the genus Aaadonta are endemic to Palau. It is known only from one locality, where it was last found in 1936. None have been found recently and they may be extinct.