Horn-like Amastra Snail (Amastra cornea)
This species inhabited the forests of the Mt. Ka’ala and parts of the Wai’anae Mountains on the island of O’ahu, Hawaiian Islands.
… from the species’ description.:
“Shell irregularely, acutely conical, the apex ponted; last whorl inflated; thin, corneous, with minute longitudinal striae; whorls 7, rounded; aperture subovate; lip thin, translucent; columella straight, white, and armed with a transverse plaited tooth. Color uniform dark horn, columella and tooth white.” [1]
The shells reach sizes of 1,1 to 1,75 in heigth and up to 0,85 cm in diameter.
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References:
[1] George W. Tryon; Henry A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata. Vol 21: Achatinellidae (Amastrinae). 1911
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(public domain)
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edited: 02.11.2020