Turton’s Saint Helena Awl Snail (Chilonopsis turtoni)  

This variable species was described in the year 1892.  

Turton’s Saint Helena Awl Snail was obviously still extant in the middle of the 19th century, since some individuals were found at the higher elevations of Saint Helena, crawling among the remnants of the native vegetation.  

The shells reached a height of about 1,7 cm. [1]  

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References:  

[1] Edgar A. Smith: On the Land-Shells of St. Helena. Proceedings of the Zoological Society of London 258-270. 1892  

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edited: 21.03.2018