Charpentieria dyodon dyodon (S. Studer, 1820), Verbano 42.1 shell. Charpentieria dyodon alpina (Stabile, 1859). Val di Lanzo, Usseglio 42.2 shell. Charpentieria dyodon thomasiana (Küster, 1850), Piedicavallo 42.3 shell. Oropa, Biella 42.4 shell.

 
 
  Part of: De Mattia W, Reier S, Haring E (2021) 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). ZooKeys 1077: 1-175. https://doi.org/10.3897/zookeys.1077.67081