Hirasea diplomphalus ssp. latispira Pilsbry

Wide-spired Hirasea Snail (Hirasea diplomphalus ssp. latispira) 

The Wide-spired Hirasea Snail was described in 1902, it is or was endemic to the islnd of Chichijima, Ogasawara Islands, Japan.

This form is similar to the nominate race but differs from it that the spire is wider and less sunken. [1]

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References:

[1] Henry A. Pilsbry: New land mollusks of the Japanese Empire. The Nautilus 16(2): 45-47. 1902

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Depiction from: ‘The Conchological Magazine 1907’

(public domain)

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edited: 11.05.2019