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 67.1 whole distal genital organs 67.2 internal distal part of genital organs. Papillifera papillaris affinis (Philippi, 1836). Jato Antica, San Giuseppe Jato 67.3 whole distal genital organs 67.4 internal distal part of genital organs. Monte Bonifato, Alcamo 67.5 whole distal genital organs 67.6 internal distal part of genital organs. Western slopes Monte Kumeta, Monreale 67.7 whole distal genital organs 67.8 internal distal part of genital organs. Papillifera papillaris transitans (Paulucci, 1878). Road to the Norman Castle, Stilo 67.9 whole distal genital organs 67.10 internal distal part of genital organs. Papillifera solida solida (Draparnaud, 1805), Matera 67.11 whole distal genital organs 67.12 internal distal part of genital organs.