Zelandiscus worthyi Climo

Worthy’s Disc Snail (Zelandiscus worthyi 

This species was described in the year 1989.  

Worthy’s Disc Snail is known only on the base of empty shells, which had been found on the floor of the Aurora cave near the city of Te Anau in the south of New Zealand’s South Island.  

The shells reach an average size of about 0,45 cm and are uniformly grey in color. [1][2]  

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References:  

[1] F. M. Climo: The panbiogeography of New Zealand as illuminated by the genus Fectola Iredale, 1915 and subfamily Rotadiscinae Pilsbry, 1927 (Mollusca: Pulmonata: Punctoidea: Charopidae). New Zealand Journal of Zoology 16(4): 587-649. 1989 
[2] M. J. Heads; R. C. Craw; J. R. Grehan: Panbiogeography: Tracking the History of Life: Tracking the History of Life. Oxford University Press, USA 1999

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edited: 04.11.2020