Leptachatina tenuicostata Pease

Thin-ribbed Leptachatina Snail (Leptachatina tenuicostata 

The Thin-ribbed Leptachatina Snail was described in 1869, the species is apparently known exclusively from [sub]fossil shells that had been recovered from a deposit on the island of Hawai’i, Hawaiian Islands.  

The shells reached an average height of about 0,8 cm  

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Depiction from: ‘George W. Tryon; Henry A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata. Vol 21: Achatinellidae (Amastrinae). 1911’ 

(public domain) 

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edited: 31.03.2018