Cutted Oahu Tree Snail (Achatinella caesia)
This species was described in 1858.
The shells reach sizes of about 1,8 cm in height; the shining shell is so streaked with white and fawn brown as to have a gray appearance. [1]
The species was already rare in the 1900s and is now considered extinct.
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Depiction from: ‘W. Tryon; H. A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata, Vol. 22, Achatinellidae 1912-1914’
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References:
[1] Recovery Plan for the O’ahu Tree Snails of the genus Achatinella. U.S. Department of the Interior Fish and Wildlife Service. Region One, Portland, Oregon. April 1993
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edited: 07.06.2021