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)

Siciliaria grohmanniana grohmanniana (Rossmässler, 1836), Monte Pellegrino, Palermo 8.1 shell 8.2 shell 8.3 detail of the aperture 8.4 clausiliar plate double side. Siciliaria grohmanniana addaurae ssp. nov. Grotta dell’Addaura, Punta Priola 8.5 shell 8.6 shell 8.7 detail of the aperture 8.8 detail of the columellar side of last whorl 8.9 clausiliar plate double side.