The present book is the second part of a treatise on European Clausiliidae or door snails. The focus points of this part are the systematics and diagnoses of species taxa of the following Clausiliidae groups:
- Species diagnoses for the genera Albinaria (with special focus on Crete), Medora (species of Dalmatia), Alopia, Cochlodina (species of the Dinaric and SE-Alps), Macedonica, Siciliaria, Clausilia, Neostyriaca, and Strigillaria.
- Species system of Montenegrina.
- Subspecies division of Charpentieria itala and Papillifera papillaris.
- Revised systematics of the tribes Delimini, Clausiliini, Baleini.
- Overview of the Pliocene-Pleistocene Clausiliidae faunas in central Europe.
