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All species

Theodoxus fluviatilis	Acicula fusca	Viviparus viviparus	Assiminea grayana
Bithynia leachii	Bithynia tentaculata	Ecrobia ventrosa	Hydrobia acuta neglecta
Mercuria tachoensis	Peringia ulvae	Pomatias elegans	Potamopyrgus antipodarum
Truncatella subcylindrica	Acroloxus lacustris	Ampullaceana balthica	Galba truncatula
Stagnicola fuscus	Lymnaea stagnalis	Myxas glutinosa	Omphiscola glabra
Radix auricularia	Aplexa hypnorum	Physa fontinalis	Physella acuta
Physella gyrina	Ancylus fluviatilis	Anisus leucostoma	Anisus vortex
Bathyomphalus contortus	Ferrissia californica	Gyraulus crista	Gyraulus albus
Gyraulus parvus	Hippeutis complanatus	Planorbarius corneus	Planorbis carinatus
Planorbis planorbis	Valvata cristata	Valvata piscinalis	Carychium minimum
Carychium tridentatum	Leucophytia bidentata	Myosotella denticulata	Myosotella myosotis
Otina ovata	Deroceras agreste	Deroceras invadens	Deroceras laeve

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