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)

Papillifera papillaris papillaris (O.F. Müller, 1774). Vicovaro, Latina 68.1 shell 68.2 clausiliar plate. Papillifera papillaris affinis (Philippi, 1836). Jato Antica, San Giuseppe Jato 68.3 shell. Monte Bonifato, Alcamo 68.4 shell. Western slopes Monte Kumeta, Monreale 68.5 shell. Papillifera papillaris transitans (Paulucci, 1878). Road to the Norman Castle, Stilo 68.6 shell. Papillifera solida solida (Draparnaud, 1805), Matera 68.7 shell.