A new total of nine continental gastropod forms are incorporated to the previous systematic malacological inventory of Santa Catarina's State/SC, central southern Brazil region, the species Helicina schereri Baker, 1913, Assiminea sp, Lamellaxis clavulinus (Potiez & Michaud, 1838), Lamellaxis (Leptopeas) cf. mizius Marcus & Marcus, 1968, Plekocheilus (Eurytus) sp, Rhinus cf. longisetus (Moricand, 1846), Simpulopsis cf. ovata Sowerby, 1822, Megalobulimus klappenbachi Leme, 1964, and Zilchogyra cleliae Weyrauch, 1965. Included in eight genera and seven families, raise the state record for 220 species and subspecies regionally known (190 gastropods - 148 terrestrial, 2 amphibian and 40 limnic/freshwater –, and 30 freshwater bivalves).
