There are 159 species of non-marine molluscs living in the wild in Latvia. In addition there are at least 9 gastropod species living only in as hothouse aliens in greenhouses, aquaria and terraria.
There are 129 species of gastropods, 43 species of freshwater gastropods, 86 species of land gastropods and 30 species of bivalves living in the wild.
Summary table of number of species
(Summary table is based on species counted in this list and include also those ones with question marks)
Systematic list
The list is divided into freshwater and land species and then arranged in zoological order. The list is complete.
Freshwater gastropods
Species of non-marine gastropods in Latvia include:
Neritidae
Theodoxus fluviatilis (Linnaeus, 1758)
Viviparidae
Viviparus viviparus (Millet, 1813) Viviparus contectus (Linnaeus, 1758)
Hydrobiidae
Hydrobia ulvae (Pennant, 1777) Hydrobia stagnalis (Baster, 1765) Potamopyrgus antipodarum (Gray, 1843) Marstoniopsis scholtzi (A. Schmidt, 1856)
Lithoglyphidae
Lithoglyphus naticoides C. Pfeiffer, 1828
Bithyniidae
Bithynia tentaculata (Linnaeus, 1758) Bithynia leachii (Sheppard, 1823)
Valvatidae
Valvata cristata O. F. Müller, 1774
Valvata pulchella Studer, 1820
Valvata piscinalis (O. F. Müller, 1774)
Acroloxidae
Acroloxus lacustris (Linnaeus, 1758)
Lymnaeidae
Galba truncatula (O. F. Müller, 1774) Stagnicola palustris (O. F. Müller, 1774) Stagnicola fuscus (C. Pfeiffer, 1821) Stagnicola corvus (Gmelin, 1791) Radix auricularia (Linnaeus, 1758) Radix ampla (Hartmann, 1821) Radix peregra (O. F. Müller, 1774) Radix balthica (Linnaeus, 1758) Myxas glutinosa (O. F. Müller, 1774) Lymnaea stagnalis (Linnaeus, 1758)
Physidae
Aplexa hypnorum (Linnaeus, 1758) Physa fontinalis (Linnaeus, 1758)
Planorbidae
Planorbarius corneus (Linnaeus, 1758) Planorbis planorbis (Linnaeus, 1758) Planorbis carinatus O. F. Müller, 1774 Anisus spirorbis (Linnaeus, 1758) Anisus leucostoma (Millet, 1813) Anisus vortex (Linnaeus, 1758) Anisus vorticulus (Troschel, 1834) Bathyomphalus contortus (Linnaeus, 1758) Gyraulus albus (O. F. Müller, 1774) Gyraulus acronicus (A. Fėrussak, 1807) Gyraulus laevis (Alder, 1838) Gyraulus riparius (Westerlund, 1865) Gyraulus rossmaessleri (Auerswald, 1851) Gyraulus crista (Linnaeus, 1758) Hippeutis complanatus (Linnaeus, 1758) Segmentina nitida (O. F. Müller, 1774) Ancylus fluviatilis O. F. Müller, 1774
Land gastropods
Aciculidae
Platyla polita (Hartmann, 1840)
Ellobiidae
Carychium minimum (O. F. Müller, 1774) Carychium tridentatum (Risso, 1826)
Cochlicopidae
Cochlicopa lubrica (O. F. Müller, 1774) Cochlicopa lubricella (Porro, 1838) Cochlicopa nitens (Gallenstein, 1848)
Lauriidae
Lauria cylindracea (Da Costa, 1778)
Pupillidae
Pupilla muscorum (Linnaeus, 1758)
Valloniidae
Vallonia costata (O. F. Müller, 1774) Vallonia pulchella (O. F. Müller, 1774) Vallonia excentrica Sterki, 1893 Acanthinula aculeata (O. F. Müller, 1774) Spermodea lamellata (Jeffreys, 1830)
Vertiginidae
Columella edentula (Draparnaud, 1805) Columella aspera Waldėn, 1966 Truncatellina cylindrica (A. Ferussac, 1807) Vertigo pusilla O. F. Müller, 1774 Vertigo antivertigo (Draparnaud, 1801) Vertigo substriata (Jeffreys, 1833) Vertigo pygmaea (Draparnaud, 1801) Vertigo lilljeborgi (Westerlund, 1871) Vertigo genesii (Gredler, 1856) Vertigo geyeri Lindholm, 1925 Vertigo ronnebyensis (Westerlund, 1871) Vertigo alpestris Alder, 1838 Vertigo angustior Jeffreys, 1830
Enidae
Ena montana (Draparnaud, 1801) Merdigera obscura (O. F. Müller, 1774)
Clausiliidae
Cochlodina laminata (Montagu, 1803) Cochlodina orthostoma (Menke, 1828) Ruthenica filograna (Rossmässler, 1836) Macrogastra ventricosa (Draparnaud, 1801) Macrogastra plicatula (Draparnaud, 1801) Macrogastra borealis (Boettger, 1878) - synonym: Macrogastra latestriata (A. Schmidt, 1857) Clausilia bidentata (Ström, 1765) Clausilia cruciata (Studer, 1820) Clausilia pumila C. Pfeiffer, 1828 Clausilia dubia Draparnaud, 1805 Laciniaria plicata (Draparnaud, 1801) Balea biplicata (Montagu, 1803) Bulgarica cana (Held, 1836)
Succineidae
Succinea putris (Linnaeus, 1758) Succinella oblonga (Draparnaud, 1801) Oxyloma elegans (Risso, 1826)
Ferussaciidae
Cecilioides acicula (O. F. Müller, 1774) - nonindigenous since 2006
Punctidae
Punctum pygmaeum (Draparnaud, 1801)
Discidae
Discus ruderatus (A. Ferussac, 1821) Discus rotundatus (O. F. Müller, 1774)