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 calcarae calcarae (Philippi, 1844), Monte Bonifato 16.1 whole distal genital organs 16.2 internal distal part of genital organs 16.3 cross section of the spermatophore 16.4 spermatophore 16.5 whole distal genital organs 16.6 internal distal part of genital organs. Siciliaria calcarae belliemii (Brandt, 1961), Monte Belliemi, Partinico 16.7 whole distal genital organs 16.8 internal distal part of genital organs. Siciliaria calcarae belliemii (Brandt, 1961), Castello Calatubo, Alcamo 16.9 whole distal genital organs 16.10 internal distal part of genital organs 16.11 penial pseudopapilla.