Minamizaki Mandarina Snail (Mandarina luhuana ssp. luhuana)

This species was described in 1839, it is known exclusively from subfossil specimens that were recovered from Holocene deposits at Minamizaki in the southern part of Chichijma Island, Ogasawara Islands, Japan. 

The shells are large and very thick, they have an average size of about 4 cm in diameter, they are white and always bear two to four brown bands. [1]

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syn. Euhadra luhuana (Sowerby), Helix luhuana Sowerby, Mandarina ruschenbergi (Pilsbry), Nanina ruschenbergi Pilsbry

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References:

[1] Satoshi Chiba: Taxonomic revision of the fossil land snail species of the genus Mandarina in the Ogasawara Islands. Paleontological Research 11(4): 317-329. 2007

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edited: 19.04.2019