Cachia C., Mifsud C. & Sammut P.M. (2001). The marine shelled mollusca of the Maltese Islands. Part 3: Sub-class Prosobranchia to sub-class Pulmonata, order Basommatophora. Leiden, Backhuys Publishers 272 pp., 26 pl.:
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Cachia, C.; Mifsud, C.; Sammut, P. M.
2001
The marine shelled mollusca of the Maltese Islands. Part 3: Sub-class Prosobranchia to sub-class Pulmonata, order Basommatophora