List of non-marine molluscs of Sweden

The non-marine molluscs of Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

are a part of the molluscan fauna of Sweden (wildlife of Sweden). A number of species of non-marine molluscs

Mollusca

The Mollusca , common name molluscs or mollusksSpelled mollusks in the USA, see reasons given in Rosenberg's ; for the spelling mollusc see the reasons given by , is a large phylum of invertebrate animals. There are around 85,000 recognized extant species of molluscs. Mollusca is the largest...

are found in the wild in Peru.

There are ??? species of gastropods

Gastropoda

The Gastropoda or gastropods, more commonly known as snails and slugs, are a large taxonomic class within the phylum Mollusca. The class Gastropoda includes snails and slugs of all kinds and all sizes from microscopic to quite large...

(52 species of freshwater gastropods, ??? species of land gastropods) and 32 species of bivalves

Bivalvia

Bivalvia is a taxonomic class of marine and freshwater molluscs. This class includes clams, oysters, mussels, scallops, and many other families of molluscs that have two hinged shells...

living in the wild. This is altogether 84 species of freshwater molluscs.

Summary table of number of species:
Numbers of molluscs by habitat	Number of species
Freshwater gastropods	52
Land gastropods	??? (22 species of slugs)
Total number of non-marine gastropods	???
Freshwater bivalves	32
Total number of non-marine molluscs	???

Freshwater gastropods

Freshwater gastropods in Sweden include:

Neritidae

Neritidae

Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum, marine, brackish water and freshwater gastropod mollusks in the order Neritoida....

Theodoxus fluviatilis
Theodoxus fluviatilis
Theodoxus fluviatilis, common name the river nerite, is a small species of freshwater and brackish water snail with a gill and an operculum. It is an aquatic gastropod mollusk in the family Neritidae, the nerites....

(Linnaeus, 1758)

Viviparidae

Viviparidae, sometimes known as the river snails or mystery snails, are a family of large operculate freshwater snails, aquatic gastropod mollusks....

Viviparus contectus
Viviparus contectus
Viviparus contectus, common name Lister's river snail, is a species of large, freshwater snail with an operculum and a gill, an aquatic gastropod mollusk in the family Viviparidae, the river snails.-Distribution:...

(Millet, 1813)
Viviparus viviparus
Viviparus viviparus
Viviparus viviparus is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails.-Distribution:This is a European species....

(Linnaeus, 1758)

Thiaridae

Thiaridae, common name thiarids, is a family of tropical freshwater snails with an operculum, aquatic gastropod mollusks in the superfamily Cerithioidea....

Melanoides tuberculata (O. F. Müller, 1774) - non-indigenous

Bithyniidae

Bithyniidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the clade Littorinimorpha.Their minute shell is often colored. They are characterized by a calcareous operculum, a lobe on the upper surface of the neck. The ctenidium, the respiratory gill-comb, is...

Bithynia tentaculata
Bithynia tentaculata
Bithynia tentaculata, common names the mud bithynia or common bithynia, or faucet snail is a relatively small species of freshwater snail with gills and an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae....

(Linnaeus, 1758)
Bithynia leachii
Bithynia leachii
Bithynia leachii is species of small freshwater snail with an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.-Shell description:The shell of the species grows to be 6.5 mm in maximum dimension....

(Sheppard, 1823)
Bithynia transsilvanica (E. A. Bielz, 1853) - Regionally Extinct in Sweden

Hydrobiidae

Hydrobiidae, common name mud snails, is a large cosmopolitan taxonomic family of very small freshwater snails and brackish water snails that have an operculum, aquatic gastropod mollusks in the clade Littorinimorpha.- Distribution :...

Potamopyrgus antipodarum (J. E. Gray, 1843) - non-indigenous
Hydrobia ventrosa
Hydrobia ventrosa
Ecrobia ventrosa, common name : the spire snail, is a European species of small brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.-Distribution:This species occurs on the coasts of:...

(Montagu, 1803)
Hydrobia ulvae (Pennant, 1777)
Hydrobia neglecta
Hydrobia neglecta
Hydrobia acuta neglecta is an European subspecies of small brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.-Distribution:...

Muus, 1963

Amnicolidae

Amnicolidae is a family of small freshwater snails with a gill and an operculum, aquatic gastropod mollusks.This family is in the superfamily Rissooidea and in the clade Littorinimorpha...

Marstoniopsis scholtzi
Marstoniopsis scholtzi
Marstoniopsis scholtzi also known as Marstoniopsis insubrica , is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusk or micromollusk in the family Amnicolidae....

(A. Schmidt, 1856)

Valvatidae

Valvatidae, the valve snails, is a taxonomic family of very small freshwater snails with an operculum, aquatic gastropod mollusks.- Taxonomy :...

Valvata cristata
Valvata cristata
Valvata cristata is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusk or micromollusk in the family Valvatidae, the valve snails.-Shell description:...

O. F. Müller, 1774
Valvata macrostoma
Valvata macrostoma
Valvata macrostoma is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails.-Habitat:...

Mörch, 1864 - Near Threatened
Near Threatened
Near Threatened is a conservation status assigned to species or lower taxa that may be considered threatened with extinction in the near future, although it does not currently qualify for the threatened status...

in Sweden
Valvata sibirica
Valvata sibirica
Valvata sibirica is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails.- External links :*...

Middendorff, 1851 - Near Threatened in Sweden
Valvata piscinalis
Valvata piscinalis
Valvata piscinalis, common name the European stream valvata, is a species of minute freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. It is also known as Cincinna piscinalis .- Subspecies :Subspecies of Valvata piscinalis...

(O. F. Müller, 1774)

Acroloxidae

Acroloxidae, commonly known as river limpets, are a taxonomic family of very small, freshwater snails, aquatic pulmonate gastropod limpet-like mollusks with a simple flattened conical shell in the clade Hygrophila....

Acroloxus lacustris
Acroloxus lacustris
Acroloxus lacustris, or the lake limpet, is a small freshwater limpet or snail, a species of aquatic gastropod mollusk in the family Acroloxidae.- Distribution :...

(Linnaeus, 1758)

Lymnaeidae

Lymnaeidae is a taxonomic family of small to large air-breathing freshwater snails, aquatic pulmonate gastropod mollusks, that belong to the clade Hygrophila....

Galba truncatula
Galba truncatula
Galba truncatula is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.Until recently, this species was commonly known as Lymnaea truncatula.-Description:...

(O. F. Müller, 1774)
Stagnicola palustris
Stagnicola palustris
Stagnicola palustris is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.-Description:...

(O. F. Müller, 1774)
Stagnicola fuscus
Stagnicola fuscus
Stagnicola fuscus is a species of freshwater snail, an aquatic gastropod mollusk in the family Lymnaeidae, the pond snails.-Distribution:This species is found in the Czech Republic, Germany, the Netherlands, Croatia and other areas....

(C. Pfeiffer, 1821)
Stagnicola corvus
Stagnicola corvus
Stagnicola corvus is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.-Distribution:...

(Gmelin, 1791)
Omphiscola glabra
Omphiscola glabra
Omphiscola glabra is a species of small to medium-size, air-breathing, freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae.-Distribution:This European snail can be found from southern Scandinavia to southern Spain....

(O. F. Müller, 1774) - Vulnerable
Vulnerable species
On 30 January 2010, the IUCN Red List of Threatened Species identified 9694 Vulnerable species, subspecies and varieties, stocks and sub-populations.-References:...

in Sweden
Radix auricularia
Radix auricularia
Radix auricularia, common name the big-ear radix, is a species of medium-sized freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae.Radix auricularia is the type species of the genus Radix.-Forms:...

(Linnaeus, 1758)
Radix peregra
Radix peregra
Radix peregra, previously known as Lymnaea peregra or Lymnaea pereger, is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod in the family Lymnaeidae, the pond snails....

(O. F. Müller, 1774)
Radix ovata (Draparnaud, 1805)
Myxas glutinosa
Myxas glutinosa
The glutinous snail, Myxas glutinosa is a species of small air-breathing freshwater snail, an aquatic gastropod mollusc in the family Lymnaeidae, the pond snails.- Anatomy :...

(O. F. Müller, 1774) - Near Threatened in Sweden
Lymnaea stagnalis
Lymnaea stagnalis
Lymnaea stagnalis, better known as the great pond snail, is a species of large air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae.-Distribution:The distribution of this species is Holarctic...

(Linnaeus, 1758)
Pseudosuccinea columella
Pseudosuccinea columella
Pseudosuccinea columella, common name the "American ribbed fluke snail", is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails....

(Say, 1817) - non-indigenous

Physidae

Physidae, common name bladder snails, are a monophyletic taxonomic family of small freshwater snails, aquatic pulmonate gastropod molluscs in the clade Hygrophila....

Physa fontinalis
Physa fontinalis
Physa fontinalis is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae. The shells of this species are left-handed or sinistral.-Distribution:...

(Linnaeus, 1758)
Physella acuta
Physella acuta
Physella acuta, common name the European physa, is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae.-Shell description:...

(Draparnaud, 1805) - non-indigenous
Physella heterostropha (Say, 1817) - non-indigenous
Aplexa hypnorum
Aplexa hypnorum
Aplexa hypnorum, common name the moss bladder snail, is a species of small air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Physidae, a family which are sometimes known as the bladder snails....

(Linnaeus, 1758) - Near Threatened in Sweden

Planorbidae

Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks....

Planorbarius corneus
Planorbarius corneus
Planorbarius corneus, common name the great ramshorn, is a relatively large species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails, or planorbids, which all have sinistral or left-coiling shells.The shell of this species...

(Linnaeus, 1758)
Planorbella duryi
Planorbella duryi
Planorbella duryi, common name the Seminole rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.-Distribution:This species of snail is endemic to Florida, USA....

(Wetherby, 1879) - non-indigenous
Ferrissia clessiniana (Jickeli, 1882) - non-indigenous, synonym: Ferrissia wautieri (Mirolli, 1960)
Planorbis planorbis
Planorbis planorbis
Planorbis planorbis is a species of air-breathing freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ram's horn snails.-Description:...

(Linnaeus, 1758)
Planorbis carinatus
Planorbis carinatus
Planorbis carinatus is species of freshwater gastropod from family Planorbidae.-Description:Width of shell is 9–15 mm. Its keel is in the centre of the shell.-Distribution:* Not listed in IUCN red list - not evaluated * Czech Republic...

O. F. Müller, 1774
Anisus leucostoma
Anisus leucostoma
Anisus leucostoma is a European species of small air-breathing freshwater snail, an aquatic pulmonate gastropod in the family Planorbidae, the ram's horn snails and their allies.- Synonyms :...

(Millet, 1813)
Anisus spirorbis
Anisus spirorbis
Anisus spirorbis is a species of small freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.- Distribution :This species occurs in countries that include:...

(Linnaeus, 1758) - Data Deficient
Data Deficient
Data Deficient is a category applied by the IUCN, other agencies, and individuals to a species when the available information is not sufficient for a proper assessment of conservation status to be made...
Anisus vortex
Anisus vortex
Anisus vortex is a species of small freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ram's horn snails and their allies.- Distribution :This species occurs in countries and islands including:...

(Linnaeus, 1758)
Anisus vorticulus
Anisus vorticulus
The ramshorn snail, Anisus vorticulus is a species of minute, air-breathing, freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails.-Distribution:...

(Troschel, 1834) - Critically Endangered
Critically Endangered
Critically Endangered is the highest risk category assigned by the IUCN Red List for wild species. Critically Endangered means that a species' numbers have decreased, or will decrease, by 80% within three generations....

in Sweden
Bathyomphalus contortus
Bathyomphalus contortus
Bathyomphalus contortus is a species of small air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails and their allies.-Distribution:The distribution of this species is Palearctic:...

(Linnaeus, 1758)
Gyraulus albus
Gyraulus albus
Gyraulus albus is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.-Distribution:Palearctic:* Czech Republic - least concern * Germany...

(O. F. Müller, 1774)
Gyraulus acronicus
Gyraulus acronicus
Gyraulus acronicus is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.-Distribution:The distribution of this species is Holarctic:...

(A. Férussac, 1807)
Gyraulus chinensis
Gyraulus chinensis
Gyraulus chinensis is a species of small freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.- Distribution :The non-indigenous distribution for this species includes:...

(Dunker, 1848) - non-indigenous
Gyraulus laevis
Gyraulus laevis
Gyraulus laevis is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.-Distribution:The distribution of this species is Holarctic:...

(Alder, 1838) - Endangered in Sweden
Gyraulus parvus
Gyraulus parvus
Gyraulus parvus is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.-Distribution:This species is native to North America:It is not listed in IUCN red list - not evaluated...

(Say, 1817) - non-indigenous
Gyraulus riparius
Gyraulus riparius
Gyraulus riparius is a species of small freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.-Distribution:The distribution of this species is Holarctic:...

(Westerlund, 1865)
Gyraulus crista
Gyraulus crista
Gyraulus crista, commonly called the Nautilus ramshorn, is a minute species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.Synonyms:* Armiger crista* Planorbis crista...

(Linnaeus, 1758)
Hippeutis complanatus
Hippeutis complanatus
Hippeutis complanatus, or the flat ram's-horn snail, is a species of minute air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk or micromollusk in the family Planorbidae, the ram's horn snails....

(Linnaeus, 1758)
Segmentina nitida
Segmentina nitida
The shining ram's-horn snail, Segmentina nitida, is a species of small, air-breathing, freshwater snail, an aquatic gastropod mollusk or micromollusk in the family Planorbidae, the ramshorn snails.-Description:...

(O. F. Müller, 1774) - Vulnerable
Vulnerable species
On 30 January 2010, the IUCN Red List of Threatened Species identified 9694 Vulnerable species, subspecies and varieties, stocks and sub-populations.-References:...

in Sweden
Ancylus fluviatilis
Ancylus fluviatilis
Ancylus fluviatilis is a species of very small, freshwater, air-breathing limpet, an aquatic pulmonate gastropod mollusk in the tribe Ancylini within the family Planorbidae, the ram's horn snails and their allies.-Distribution and conservation status:...

O. F. Müller, 1774

Land gastropods

Land gastropods in Sweden include:

Pupillidae

Pupillidae

Pupillidae is a family of mostly minute, air-breathing, land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the clade Stylommatophora....

Pupilla pratensis
Pupilla pratensis
Pupilla pratensis is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae. This taxon was elevated to species level in 2009.- Taxonomy :...

(Clessin, 1871)

Vertiginidae

Vertiginidae is a family of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the superfamily Pupilloidea.- Distribution :...

Vertigo lilljeborgi
Vertigo lilljeborgi
Vertigo lilljeborgi is a species of minute land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the vertigo snails.-Distribution:...

Milacidae

Milacidae is a family of air-breathing, keeled, land slugs. These are shell-less terrestrial gastropod mollusks in the superfamily Parmacelloidea.This family has no subfamilies ....

Milax gagates
Milax gagates
Milax gagates, common name the "greenhouse slug" is a species of air-breathing, keeled, land slug, a shell-less terrestrial gastropod mollusk in the family Milacidae.-Description:...

(Draparnaud, 1801)

Vitrinidae

Vitrinidae is a family of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Limacoidea ....

Boettgerillidae

Boettgerilla pallens
Boettgerilla pallens
Boettgerilla pallens, common name the worm slug, is a European species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Boettgerillidae.- Distribution :...

Simroth, 1912

Limacidae

Limacidae, common name the keelback slugs, are a taxonomic family of medium-sized to very large, air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the superfamily Limacoidea.- Distribution :...

Limax maximus Linnaeus, 1758
Limax cinereoniger
Limax cinereoniger
Limax cinereoniger is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Limacidae, the keelback slugs.-Description:Rarely this slug can grow up to 30 cm long...

Wolf, 1803
Limacus flavus (Linnaeus, 1758)
Malacolimax tenellus
Malacolimax tenellus
Malacolimax tenellus is species of air-breathing land slug, a shell-less terrestrial gastropod mollusk in the family Limacidae.-Distribution:This species is known to occur in a number of European countries and islands including:...

(O. F. Müller, 1774)
Lehmannia marginata
Lehmannia marginata
Lehmannia marginata is species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Limacidae. Sometimes classified in the genus Limax, the species is distinct in its ecology, and its nearly transparent body. It is a medium-sized species, rarely exceeding 12 cm in...

(O. F. Müller, 1774)
Lehmannia valentiana
Lehmannia valentiana
Lehmannia valentiana is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Limacidae.- Distribution :This species is known to occur in a number of countries and islands including:...

(A. Férussac, 1822)

Agriolimacidae

Agriolimacidae is a family of small and medium sized land slugs, or shell-less snails, terrestrial pulmonate gastropod mollusks.- Distribution :Distribution of Limacidae is Holarctic, this include: Nearctic, western Palearctic and eastern Palearctic....

Deroceras agreste
Deroceras agreste
Deroceras agreste is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Agriolimacidae.This species is considered to be a pest.-Distribution:This species is not listed in IUCN red list - not evaluated ....

(Linnaeus, 1758)
Deroceras laeve
Deroceras laeve
Deroceras laeve, the marsh slug, is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Agriolimacidae.-Distribution:...

(O. F. Müller, 1774)
Deroceras reticulatum
Deroceras reticulatum
Deroceras reticulatum, common names "grey field slug" and "grey garden slug", is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Agriolimacidae...

(O. F. Müller, 1774)
Deroceras sturanyi
Deroceras sturanyi
Deroceras sturanyi is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Agriolimacidae.-Distribution:This species is not listed in IUCN red list and therefore is not evaluated...

(Simroth, 1894)
Deroceras panormitanum
Deroceras panormitanum
Deroceras panormitanum, previously known as Deroceras caruanae and as Agriolimax caruanae, is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Agriolimacidae....

(Lessona & Pollonera, 1882)

Arionidae

Arionidae, common name the "roundback slugs" or "round back slugs" are a taxonomic family of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the superfamily Arionoidea.- Distribution :...

Arion rufus (Linnaeus, 1758)
Arion lusitanicus
Arion lusitanicus
Arion lusitanicus, common name Portuguese slug, is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae.- Description :It is a rather large slug of reddish brown colour....

J. Mabille, 1868
Arion fuscus
Arion fuscus
Arion fuscus is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae, the roundback slugs....

(O. F. Müller, 1774)
Arion circumscriptus
Arion circumscriptus
Arion circumscriptus, common name Brown-banded arion, is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae.- Distribution :This species occurs in countries and islands including:...

Johnston, 1828
Arion fasciatus
Arion fasciatus
Arion fasciatus, common name the Orange-banded Arion, is a species of air-breathing, completely shell-less, land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae, the round-back slugs, first described by Sven Nilsson in 1823....

(Nilsson, 1823)
Arion silvaticus
Arion silvaticus
Arion silvaticus is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae.- Distribution :This species occurs in countries and islands including:* Czech Republic* Great Britain* Ireland...

Lohmander, 1937
Arion distinctus
Arion distinctus
Arion distinctus, common name the darkface arion, is species of air-breathing land slug in the family Arionidae, sometimes known as the roundback slugs...

J. Mabille, 1868
Arion intermedius
Arion intermedius
Arion intermedius is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae. This slug is sometimes called by the common name "hedgehog slug" or "hedgehog arion" because when the slug is resting in the contracted state, the tubercles on its back look...

Normand, 1852
Arion ater

Bradybaenidae

Bradybaenidae is a taxonomic family of medium-sized to small land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea....

Helicodontidae

Helicodontidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata .- Taxonomy :...

Hygromiidae

Hygromiidae is a taxonomic family of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.-Anatomy:...

Helicidae

The Helicidae, sometimes known as the typical snails, are a taxonomic family of small to large, air-breathing, land snails. In other words, they are terrestrial pulmonate gastropod mollusks....

Freshwater bivalves

Freshwater gastropods in Sweden include:

Margaritiferidae

Margaritiferidae

Margaritiferidae is a family of medium-sized freshwater mussels, aquatic bivalve mollusks in the order Unionoida. They are known as freshwater pearl mussels, because they are capable of producing pearls.-Genera within the family Margaritiferidae:...

Margaritifera margaritifera (Linnaeus, 1758) - Vulnerable
Vulnerable species
On 30 January 2010, the IUCN Red List of Threatened Species identified 9694 Vulnerable species, subspecies and varieties, stocks and sub-populations.-References:...

in Sweden

Unionidae

Unionidae is a family of freshwater mussels, the largest in the order Unionoida, the bivalve mollusks sometimes known as river mussels, naiads, or simply as unionids.The range of distribution for this family is world-wide...

Unio pictorum (Linnaeus, 1758)
Unio tumidus Philipsson, 1788
Unio crassus Philipsson, 1788 - Endangered in Sweden
Anodonta anatina (Linnaeus, 1758)
Anodonta cygnea (Linnaeus, 1758)
Pseudanodonta complanata (Rossmässler, 1835) - Near Threatened
Near Threatened
Near Threatened is a conservation status assigned to species or lower taxa that may be considered threatened with extinction in the near future, although it does not currently qualify for the threatened status...

in Sweden

Sphaeriidae

The Sphaeriidae are a family of small to minute freshwater bivalve molluscs, in the order Veneroida. In the USA they are commonly known as the pea clams and the fingernail clams.-Genera:Genera in the family Sphaeriidae include:* Musculium...

Sphaerium corneum
Sphaerium corneum
Sphaerium corneum, also known as the European fingernailclam, is a very small freshwater clam, an aquatic bivalve mollusk in the family Sphaeriidae, the fingernail clams.-Description:The shell is fairly globular and is up to 9 mm in size...

(Linnaeus, 1758)
Sphaerium nucleus
Sphaerium nucleus
Sphaerium nucleus is a freshwater bivalve of the family Sphaeriidae.-Description:It is a very small bi-valve which may grow up to 8mm in each direction. It is a filter-feeder.-Distribution:Europe, Central Asia.* Austria* Britain and Ireland...

(S. Studer, 1820)
Sphaerium nitidum Clessin, 1876
Musculium lacustre
Musculium lacustre
Musculium lacustre is a species of small freshwater clam, an aquatic bivalve mollusk in the family Sphaeriidae, the fingernail clams and pea clams.-Distribution:...

(O. F. Müller, 1774)
Pisidium amnicum
Pisidium amnicum
Pisidium amnicum is a species of very small freshwater clam. It is sometimes known as the greater European peaclam, an aquatic bivalve in the family Sphaeriidae.-Description:...

(O. F. Müller, 1774)
Pisidium dilatatum Westerlund, 1897 - Near Threatened in Sweden, synonym: Pisidium subtilestriatum Lindholm, 1909
Pisidium casertanum
Pisidium casertanum
Pisidium casertanum, the pea cockle or pea clam, is a minute freshwater bivalve mollusc of the family Sphaeriidae.- Description :...

(Poli, 1791)
Pisidium globulare
Pisidium globulare
Pisidium globulare is a species of freshwater bivalve from family Sphaeriidae.-Distribution:* Czech Republic - in Bohemia, in Moravia* Germany - North Rhine-Westphalia, Schleswig-Holstein, Mecklenburg-Western Pomerania* Latvia* Slovakia* Sweden...

Clessin, 1873
Pisidium hinzi Kuiper, 1975 - Vulnerable in Sweden
Pisidium nitidum
Pisidium nitidum
Pisidium nitidum or the "shining pea clam" is a species of minute freshwater clam, an aquatic bivalve mollusc in the family Sphaeriidae, the pea clams and fingernail clams.The adult size of the shell of this species is 3 mm.-Distribution:...

Jenyns, 1832
Pisidium personatum
Pisidium personatum
Pisidium personatum is a species of freshwater bivalve from the Family Sphaeriidae.-Distribution:It's native distribution is European-Siberian.* Czech Republic - in Bohemia, in Moravia, least concern...

Malm, 1855
Pisidium conventus
Pisidium conventus
Arctic-alpine Pea Clam, Pisidium conventus is a species of freshwater bivalve from family Sphaeriidae.-Distribution and conservation status:* Not listed in IUCN red list - not evaluated * Germany - endangered...

Clessin, 1877
Pisidium obtusale
Pisidium obtusale
Pisidium obtusale is a species of freshwater bivalve from family Sphaeriidae.-Distribution:It's native distribution is Holarctic.* Czech Republic - in Bohemia, in Moravia, near threatened * Germany -...

(Lamarck 1818)
Pisidium henslowanum
Pisidium henslowanum
Pisidium henslowanum is a species of very small freshwater clam or pea clam, an aquatic bivalve mollusc in the family Sphaeriidae.-Distribution:It's native distribution is Holarctic.* Czech Republic - in Bohemia, in Moravia, least concern...

(Sheppard, 1823)
Pisidium hibernicum
Pisidium hibernicum
Pisidium hibernicum is a species of freshwater bivalve from family Sphaeriidae.-Distribution:It's native distribution is Palearctic.* Czech Republic - endangered , endangered in Bohemia , critically endangered in Moravia* Slovakia...

Westerlund, 1894
Pisidium lilljeborgii
Pisidium lilljeborgii
Pisidium lilljeborgii is a species of freshwater bivalve from family Sphaeriidae.-Distribution and conservation status:* Not listed in IUCN red list - not evaluated * Germany - high endangered...

Clessin, 1886
Pisidium supinum
Pisidium supinum
Pisidium supinum is a species of minute freshwater clam, a pea clam, an aquatic bivalve mollusc in the family Sphaeriidae The shell of this species is 3 to 5 mm in size, and is roughly triangular in shape....

A. Schmidt, 1851 - Vulnerable in Sweden
Pisidium waldeni Kuiper, 1975
Pisidium tenuilineatum
Pisidium tenuilineatum
Pisidium tenuilineatum, the fine-lined pea mussel, is a species of very small freshwater bivalve in the family Sphaeriidae.-Distribution:The species is native to Europe.* British Isles - listed in List of endangered species in the British Isles...

Stelfox, 1918 - Data Deficient
Data Deficient
Data Deficient is a category applied by the IUCN, other agencies, and individuals to a species when the available information is not sufficient for a proper assessment of conservation status to be made...
Pisidium moitessierianum
Pisidium moitessierianum
Pisidium moitessierianum is a species of minute freshwater clam. It is an aquatic bivalve mollusc in the family Sphaeriidae.- Description :...

Paladilhe, 1866
Pisidium subtruncatum
Pisidium subtruncatum
Pisidium subtruncatum is a species of pill clam, a minute freshwater bivalve in the family Sphaeriidae.-Distribution:Its native distribution is Holarctic.* Czech Republic - in Bohemia, in Moravia, least concern...

Malm, 1855
Pisidium pulchellum
Pisidium pulchellum
Pisidium pulchellum is a minute species of pea clam, a freshwater bivalve in the family Sphaeriidae.-Distribution and conservation status:* Not listed in IUCN red list - not evaluated...

Jenyns, 1832
Pisidium milium
Pisidium milium
Pisidium milium is a species of very small freshwater bivalve in the family Sphaeriidae, the fingernail clams and pea clams.-Distribution :The native distribution of this species is Holarctic.* Czech Republic - in Bohemia, in Moravia, vulnerable...

Held, 1836
Pisidium pseudosphaerium
Pisidium pseudosphaerium
Pisidium pseudosphaerium is a species of freshwater bivalve from family Sphaeriidae.-Distribution:It's native distribution is central-European and western-European.* Czech Republic - in Bohemia, in Moravia, critically endangered...

J. Favre, 1927

Dreissenidae

The Dreissenidae are a family of small freshwater mussels, aquatic bivalve mollusks. They attach themselves to stones or to any other hard surface using a byssus.-Genera:Genera within the family Dreissenidae include:* Congeria...

Dreissena polymorpha (Pallas, 1771) - non-indigenous

Freshwater gastropods

Land gastropods

Freshwater bivalves

See also