New data on the rare snail Soosia diodonta (A. Ferussac, 1821) (Gastropoda: Helicodontidae) in Bulgaria

Abstract

In the present article, we summarised all known information on the species Soosia diodonta (A. Ferussac, 1821) from Bulgaria. A new locality in urban environment, photos of live animals and the reproductive system of the species are given. New information on its ecology and biology is provided.