Violet Amastra Snail (Amastra violacea)
The Violet Amastra Snail was described in 1853, it was found in the Halawa-, the Mapulehu-, and the Pelekunu Valleys in the eastern part of Moloka’i, Hawaiian Islands.
It was one of the larger species of its genus, some shells reach sizes of 2,8 to 3 cm in lenght and 1,3 to 1,5 cm in diameter.
… from the original description.:
“Shell dextral, ovate-oblong, solid; whorls 7, convex, strongly striate longitudinally; suture plain and deeply impressed. Aperture ovate; columella short, terminating in a twisted plait; lip simple, color violaceous with light colored striae.” [1]
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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: 07.10.2020