Clearly new snail

Croatia’s deepest cave system is home to a tiny, translucent resident

By Allison Bohac, 14:05 PM October 17, 2013

Croatia’s deepest cave system is home to a tiny, translucent resident. The newly named Zospeum tholussum belongs to a group of terrestrial snails found in wet subterranean habitats. Alexander Weigand of Goethe University Frankfurt in Germany retrieved a living specimen from one chamber and a handful of empty shells from others more than 800 meters deep inside the Lukina Jama–Trojama cave system.

At that depth, air temperature drops to a chilly 3.3° Celsius. The delicate shells averaged just 1....

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