-
Rumina
Genus, Mollusc, Terrestrial
-
Segmentina – Ramshorn snails
Genus, Mollusc, Freshwater, terrestrial
-
Selenochlamys
Genus, Mollusc, Terrestrial
-
Semilimax
Genus, Mollusc, Terrestrial
-
Semisalsa
Genus, Mollusc, Freshwater, terrestrial
-
Sinanodonta non-native
Genus, Mollusc, Freshwater, terrestrial
-
Spermodea
Genus, Mollusc, Terrestrial
-
Sphaerium
Genus, Mollusc, Freshwater, terrestrial
-
Stagnicola
Genus, Mollusc, Freshwater, terrestrial
-
Streptostele non-native
Genus, Mollusc, Terrestrial
-
Subulina
Genus, Mollusc, Terrestrial
-
Succinea
Genus, Mollusc, Freshwater, terrestrial
-
Succinella
Genus, Mollusc, Freshwater, terrestrial
-
Tandonia
Genus, Mollusc, Terrestrial
-
Testacella
Genus, Mollusc, Terrestrial
-
Theba
Genus, Mollusc, Terrestrial
-
Theodoxus
Genus, Mollusc, Freshwater, terrestrial
-
Trochoidea
Genus, Mollusc, Terrestrial
-
Trochulus
Genus, Mollusc, Freshwater, terrestrial
-
Truncatella
Genus, Mollusc, Marine, terrestrial