Morphological investigation of genital organs and first insights into the phylogeny of the genus Siciliaria Vest, 1867 as a basis for a taxonomic revision (Mollusca, Gastropoda, Clausiliidae)

Stigmatica vulcanica vulcanica (Benoit, 1860), Belpasso, Catania 65.1 whole distal genital organs 65.2 internal distal part of genital organs. Cosenza 65.3 whole distal genital organs 65.4 internal distal part of genital organs. Paola 65.5 whole distal genital organs 65.6 internal distal part of genital organs. Stigmatica vulcanica sigridae Nordsieck, 2013, Mendicino, Cosenza 65.7 whole distal genital organs 65.8 internal distal part of genital organs.