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)

Sicania crassicostata (L. Pfeiffer, 1856), comb. nov., Monte Cofano 39.1 palatal plicae 39.2 parietal lamellae. Sicania eminens (A. Schmidt, 1868), comb. nov., Custonaci, Baglio Messina 39.3–39.4 palatal plicae. Sicania nobilis nobilis (L. Pfeiffer, 1848), comb. nov., Castelluzzo 39.5–39.6 palatal plicae 39.7 parietal lamellae. Mauritanica scarificata (L. Pfeiffer, 1856), comb. nov., Marettimo 39.8 palatal plicae 39.9 parietal lamellae.