The non-marine mollusks of Montana — a part of the molluscan fauna of the state in the Northwestern United States. The non-marine mollusks of Montana consist of land snails and slugs as well as freshwater snails, freshwater mussels and freshwater clams.

Species

A number of species of non-marine molluscs are found in the wild in Montana. ;Gastropods There at least 155 species of

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

s found in Montana. Some of these species are exotics (not native to Montana) and some species have been designated as ''Species of Concern''. ;Freshwater bivalves There are at least 42 species of freshwater bivalves known in Montana. The Montana Department of Fish, Wildlife and Parks has identified a number of bivalve species as ''Species of Concern''.

List of non-marine molluscs

Freshwater gastropods

Freshwater gastropods in Montana include:

Bithyniidae Bithyniidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the clade Littorinimorpha.Bouchet, P.; Gofas, S. (2015). Bithyniidae Gray, 1857. In: MolluscaBase (2015). Accessed through: World Register of Ma ...

* ''

Bithynia tentaculata ''Bithynia tentaculata'', common names the mud bithynia or common bithynia, or faucet snailKipp R. M. & Benson A. (2008). ''Bithynia tentaculata''. USGS Nonindigenous Aquatic Species Database, Gainesville, FL. https://nas.er.usgs.gov/queries/Fac ...

'' Thiaridae * '' Melanoides tuberculata''

Valvatidae ''Valvatidae'', the valve snails, is a taxonomic family of very small freshwater snails with an operculum, aquatic gastropod mollusks. Taxonomy The family Valvatidae has no subfamilies (according to the taxonomy of the Gastropoda by Bouch ...

* ''

Valvata lewisi ''Valvata lewisi'', common name the fringed valvata, is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. Distribution This species lives in North A ...

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Valvata humeralis ''Valvata humeralis'' is a species of gastropod belonging to the family Valvatidae ''Valvatidae'', the valve snails, is a taxonomic family of very small freshwater snails with an operculum, aquatic gastropod mollusks. Taxonomy The family ...

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Valvata sincera ''Valvata sincera'', common name the mossy valvata is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae ''Valvatidae'', the valve snails, is a taxonomic family of ver ...

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Valvata tricarinata ''Valvata tricarinata'', common name the three-ridge valvata or threeridge valvata, is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. Distribution ...

'' Hydrobiidae * '' Pyrgulopsis bedfordensis'' * ''

Fluminicola fuscus ''Fluminicola'' may refer to: * ''Fluminicola'' (gastropod), a genus of minute freshwater snails in the family Lithoglyphidae * ''Fluminicola'' (fungus), a genus of fungi in the family Papulosaceae {{Genus disambiguation ...

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Probythinella emarginata ''Probythinella'' is a genus of very small aquatic snails, operculate gastropod mollusks in the family Hydrobiidae. Species Species within the genus ''Probythinella'' include: * ''Probythinella protera ''Probythinella protera'' is a ...

'' * '' Potamopyrgus antipodarum'' * ''

Colligyrus greggi ''Colligyrus'' is a genus of small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Hydrobiidae. Species Species within the genus ''Colligyrus'' include: *''Colligyrus convexus'' Hershler, Frest, Liu, and J ...

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Amnicola limosa ''Amnicola limosus'', common name the mud amnicola, is a species of very small aquatic snail, an operculate gastropod mollusk in the family Hydrobiidae. Distribution This species is distributed in the Northwest Atlantic Ocean and along the Gul ...

'' * an undescribed species of ''Amnicola'', currently known as "Lake Amnicola" or "''Amnicola'' sp. 1"

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. Acroloxidae is the only fam ...

* ''

Acroloxus coloradensis The Rocky Mountain capshell (''Acroloxus coloradensis'') is a species of freshwater snail in the family Acroloxidae, the river limpets. It is the only member of the family found in North America.Anderson, TRocky Mountain Capshell Snail (''Acrolox ...

Lymnaeidae * ''

Stagnicola apicina ''Stagnicola'' is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails.Bouchet, P.; Rosenberg, G. (2014). Stagnicola Jeffreys, 1830. Accessed through: World Register of M ...

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Radix auricularia ''Radix auricularia'', the big-ear radix, is a species of medium-sized freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae.Neubauer, Thomas A.; Rosenberg, G.; Gofas, S. (2014). Radix auricularia (Linnaeus, 1758 ...

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Fossaria dalli ''Galba'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails.Bouchet, P. (2014). Galba Schrank, 1803. Accessed through: World Register of Marine Species at http: ...

'' * '' Stagnicola elrodi'' * '' Fossaria obrussa'' * '' Stagnicola elrodiana'' * '' Fossaria humilis'' * ''

Stagnicola elodes ''Stagnicola'' is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails.Bouchet, P.; Rosenberg, G. (2014). Stagnicola Jeffreys, 1830. Accessed through: World Register of Mari ...

'' * '' Pseudosuccinea columella'' * ''

Stagnicola montanensis ''Stagnicola'' is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails.Bouchet, P.; Rosenberg, G. (2014). Stagnicola Jeffreys, 1830. Accessed through: World Register of Mari ...

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Fossaria bulimoides ''Galba bulimoides'' is a species of gastropods belonging to the family Lymnaeidae Lymnaeidae, common name the pond snails, is a taxonomic family of small to large air-breathing freshwater snails, aquatic pulmonate gastropod mollusks, t ...

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Fossaria parva ''Galba'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails.Bouchet, P. (2014). Galba Schrank, 1803. Accessed through: World Register of Marine Species at http://w ...

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Fossaria modicella ''Galba modicella'' is a species of gastropods belonging to the family Lymnaeidae. The species is found in Northern America. References modicella ''Modicella'' is a genus of fungi in the Mortierellaceae in the family of the Mucoromyc ...

'' * '' Fisherola nuttalli'' * '' Lymnaea stagnalis'' * ''

Stagnicola traski ''Stagnicola'' is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails.Bouchet, P.; Rosenberg, G. (2014). Stagnicola Jeffreys, 1830. Accessed through: World Register of Mari ...

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Stagnicola catascopium ''Ladislavella catascopium'' is a species of gastropods belonging to the family Lymnaeidae. The species is found in Northern America. References

Lymnaeidae Gastropods described in 1817 {{Lymnaeidae-stub ...

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Stagnicola caperata ''Hinkleyia caperata'' is a species of gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slu ...

'' Physidae * '' Physella vinosa'' * ''

Physa skinneri ''Physa skinneri'', common name the glass physa, is a species of freshwater snail, an aquatic gastropod mollusc in the family Physidae. Description The shell of ''Physa skinneri'' is thin, narrowly ovoid, to ovoid-fusiform, with an obtusely roun ...

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Aplexa elongata ''Sibirenauta elongata'' is a species of gastropods belonging to the family Physidae Physidae, common name the bladder snails, is a monophyletic taxonomic family of small air-breathing freshwater snails, aquatic pulmonate gastropod molluscs ...

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Physa megalochlamys ''Physa megalochlamys'' is a species of gastropod belonging to the family Physidae Physidae, common name the bladder snails, is a monophyletic taxonomic family of small air-breathing freshwater snails, aquatic pulmonate gastropod molluscs i ...

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Physa jennessi ''Physa'' is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Physinae of the family Physidae.MolluscaBase eds. (2021). MolluscaBase. Physa Draparnaud, 1801. Ac ...

'' * '' Physella acuta'' * ''

Physella virgata ''Physella'' is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae. These snails eat algae, diatoms and other detritus. Shell description Snails in the f ...

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Physella propinqua ''Physella'' is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae. These snails eat algae, diatoms and other detritus. Shell description Snails in the fami ...

'' * '' Physella columbiana'' * ''

Physella gyrina ''Physella gyrina'', common name the "tadpole physa", is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Physidae. Shell description Snails in the family Physid ...

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Physella lordi ''Physella'' is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae. These snails eat algae, diatoms and other detritus. Shell description Snails in the f ...

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Physella zionis The Wet rock physa, scientific name ''Physella zionis'', is a species of freshwater snail, an aquatic pulmonate gastropod mollusc in the family Physidae, the bladder snails. This species is endemic to two connected canyons, Zion Canyon Zion Ca ...

'' Planorbidae * ''

Gyraulus parvus ''Gyraulus parvus'' is a species of freshwater snail in the family Planorbidae, the ram's horn snails. It is known by the common name ash gyro.Menetus opercularis ''Menetus'' is a North American genus of freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ramshorn snails. Species Species within this genus include: subgenus '' Micromenetus'' F. C. Baker, 1945 * '' Men ...

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Gyraulus circumstriatus ''Gyraulus circumstriatus'' is a species of gastropods belonging to the family Planorbidae Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod mo ...

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Planorbella pilsbryi ''Planorbella'' is a genus of freshwater air-breathing snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids, which all have sinistral, or left-coiling, shells. Ecology Species in this g ...

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Gyraulus deflectus ''Gyraulus deflectus'' is a species of gastropods belonging to the family Planorbidae. The species is found in Northern America. References deflectus Gastropods described in 1824 {{Planorbidae-stub ...

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Planorbella trivolvis ''Planorbella trivolvis'' is a species of freshwater air-breathing 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. Description All s ...

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Planorbula campestris ''Planorbula'' is a genus of gastropods belonging to the family Planorbidae. The species of this genus are found in Northern America and Africa. Species: *''Planorbula armigera'' *''Planorbula campestris'' *''Planorbula durhami'' *''Planorbu ...

'' * '' Promenetus exacuous megas'' * ''

Planorbella subcrenata ''Planorbella'' is a genus of freshwater air-breathing snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids, which all have sinistral, or left-coiling, shells. Ecology Species in this g ...

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Promenetus exacuous ''Promenetus exacuous'' is a species of gastropods belonging to the family Planorbidae. The species is found in Northern America. References

{{Taxonbar, from=Q3691623 Planorbidae Gastropods described in 1821 ...

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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. Subspecies Subspecies include: * ''Gyraulus crista ...

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Planorbula armigera ''Planorbula armigera'' is a species of gastropods belonging to the family Planorbidae. The species is found in Northern America. References {{Taxonbar, from=Q3691384 Planorbidae Gastropods described in 1821 ...

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Helisoma anceps ''Helisoma anceps'', common name the two-ridge rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.Bouchet, P. (2011). ''Helisoma anceps'' (Menke, 1830). Acces ...

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Promenetus umbilicatellus ''Promenetus'' is a genus of gastropods belonging to the family Planorbidae. The species of this genus are found in Northern America. Species: *''Promenetus exacuous ''Promenetus exacuous'' is a species of gastropods belonging to the famil ...

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Ferrissia rivularis ''Ferrissia rivularis'' is a species of gastropods belonging to the family Planorbidae. The species is found in Northern America. References {{Taxonbar, from=Q3695600 Planorbidae Gastropods described in 1817 ...

'' * '' Ferrissia fragilis'' * ''

Ferrissia parallelus ''Ferrissia'' is a genus of small, air-breathing freshwater limpets, aquatic gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies. Species Species within the genus ''Ferrissia'' include: * ''Ferrissia baconi' ...

Land gastropods

Land gastropods in Montana include:

Succineidae Succineidae are a family of small to medium-sized, air-breathing land snails (and slugs), terrestrial pulmonate gastropod molluscs in the superfamily Succineoidea.MolluscaBase eds. (2021). MolluscaBase. Succineidae Beck, 1837. Accessed thr ...

* ''

Catinella rehderi ''Catinella'' may refer to: * ''Catinella'' (gastropod), a genus of small air-breathing land snails in the family Succineidae * ''Catinella'' (fungus), a genus of fungi in the class Dothideomycetes {{Genus disambiguation ...

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Catinella vermeta ''Catinella'' may refer to: * Catinella (gastropod), ''Catinella'' (gastropod), a genus of small air-breathing land snails in the family Succineidae * Catinella (fungus), ''Catinella'' (fungus), a genus of fungi in the class Dothideomycetes {{Ge ...

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Oxyloma decampi :''The Jurassic Astartidae clam erroneously named ''Oxyloma'' by Gardner and Campbell in 2002 is now known as '' Oxyeurax. ''Oxyloma'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Succineidae ...

'' * '' Oxyloma gouldi'' * ''

Oxyloma haydeni ''Oxyloma haydeni'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Succineidae Succineidae are a family of small to medium-sized, air-breathing land snails (and slugs), terrestrial pulm ...

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Oxyloma missoula :''The Jurassic Astartidae clam erroneously named ''Oxyloma'' by Gardner and Campbell in 2002 is now known as '' Oxyeurax. ''Oxyloma'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Succineidae ...

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Oxyloma nuttallianum :''The Jurassic Astartidae clam erroneously named ''Oxyloma'' by Gardner and Campbell in 2002 is now known as '' Oxyeurax. ''Oxyloma'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Succineidae ...

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Oxyloma retusum ''Oxyloma retusum'', common name the blunt ambersnail, is a species of small land snail, a terrestrial pulmonate gastropod mollusk belonging to the family Succineidae Succineidae are a family of small to medium-sized, air-breathing land sna ...

'' * '' Succinea grosvenori'' Arion

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 The distribution of this family of slug ...

* ''

Arion ater Arion (; grc-gre, Ἀρίων; fl. c. 700 BC) was a kitharode in ancient Greece, a Dionysiac poet credited with inventing the dithyramb. The islanders of Lesbos claimed him as their native son, but Arion found a patron in Periander, tyrant ...

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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. It is commonest in woodland, occurring across most of Europe, except for more s ...

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Arion distinctus ''Arion distinctus'' is a species of air-breathing land slug in the family Arionidae, sometimes known as the roundback slugs. It is a terrestrial pulmonate gastropod mollusc. Several vernacular names exist, but it is unclear if they are much ...

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Arion fasciatus ''Arion fasciatus'', also known by its 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. The species was ...

'' * '' Arion intermedius'' * '' Arion rufus'' * '' Arion subfuscus'' * ''

Hemphillia camelus ''Hemphillia camelus'' is a species of air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the family Arionidae Arionidae, common name the "roundback slugs" or "round back slugs" are a taxonomic family of air-breathing land ...

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Hemphillia danielsi ''Hemphillia danielsi'' is a species of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Arionidae Arionidae, common name the "roundback slugs" or "round back slugs" are a taxonomic family of air-breathing land ...

'' * '' Kootenaia burkei'' * '' Magnipelta mycophaga'' * ''

Prophysaon andersoni ''Prophysaon andersoni'', common name the reticulate taildropper, is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae, the roundback slugs. These slugs are notable for being able to self-amp ...

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Prophysaon humile ''Prophysaon'', common name taildropper slugs, is a genus of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Ariolimacidae. MolluscaBase eds. (2021). MolluscaBase. Prophysaon Bland & W.G. Binney, 1873. Accessed th ...

'' * '' Udosarx lyrata'' - with subspecies: ''Udosarx lyrata lyrata'' and ''Udosarx lyrata russelli'' * '' Zacoleus idahoensis''

Megomphicidae Megomphicidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Acavoidea The Acavoidea are a taxonomic superfamily of air-breathing land snails and slugs, terrestrial pulmonat ...

* '' Polygyrella polygyrella'' Vertiginidae * ''

Columella columella ''Columella columella'' is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Truncatellinidae, the vertigo snails and allies. This species is not listed in the IUCN red list and not evaluated ...

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Columella edentula ''Columella edentula'', common name the "toothless column snail", is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Truncatellinidae. Description The 2.5-3 (-3.5) mm. s ...

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Gastrocopta armifera ''Gastrocopta armifera'', common name the armed snaggletooth, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Vertiginidae. Distribution This species occurs in the United States eas ...

'' * '' Gastrocopta holzingeri'' * ''

Gastrocopta pentodon ''Gastrocopta pentodon'', common name the comb snaggletooth, is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the vertigo snails. References External links ...

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Vertigo binneyana Vertigo is a condition where a person has the sensation of movement or of surrounding objects moving when they are not. Often it feels like a spinning or swaying movement. This may be associated with nausea, vomiting, sweating, or difficulties ...

'' * '' Vertigo concinnula'' * ''

Vertigo cristata Vertigo is a condition where a person has the sensation of movement or of surrounding objects moving when they are not. Often it feels like a spinning or swaying movement. This may be associated with nausea, vomiting, sweating, or difficulties ...

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Vertigo elatior Vertigo is a condition where a person has the sensation of movement or of surrounding objects moving when they are not. Often it feels like a spinning or swaying movement. This may be associated with nausea, vomiting, sweating, or difficulties ...

'' * '' Vertigo gouldi'' * ''

Vertigo modesta ''Vertigo modesta'', common name the cross vertigo, is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails.WMolluscaBase eds. (2023). MolluscaBase. ...

'' * '' Vertigo ovata'' Pupillidae * '' Pupilla blandi'' * ''

Pupilla hebes ''Pupilla'' is a genus of minute air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the subfamily Pupillinae of the family Pupillidae. -MolluscaBase eds. (2022). MolluscaBase. Pupilla J. Fleming, 1828. Ac ...

'' * '' Pupilla muscorum'' * ''

Pupilla syngenes ''Pupilla'' is a genus of minute air-breathing land snails, terrestrial molluscs, terrestrial pulmonate gastropod mollusks or micromollusks in the subfamily Pupillinae of the family Pupillidae. -MolluscaBase eds. (2022). MolluscaBase. Pupilla J. ...

'' Discidae * ''

Anguispira kochi ''Anguispira kochi'' is a species of gastropods belonging to the family Discidae Discidae is a taxonomic family of small air-breathing land snails, terrestrial gastropod mollusks in the superfamily Punctoidea. Genera The family Discidae h ...

'' * '' Discus whitneyi'' * '' Discus brunsoni'' * '' Discus shimekii'' Limax maximus 5

Limacidae Limacidae, also known by their 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 The distributi ...

* ''

Limax maximus ''Limax maximus'' (literally, "biggest slug"), known by the common names great grey slug and leopard slug, is a species of slug in the family Limacidae, the keeled slugs.Marshall, B. (2014). Limax maximus Linnaeus, 1758. Accessed through: Worl ...

'' Agriolimacidae * ''

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 The distribution of ''Deroceras laeve'' was originally Palearctic, from ...

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Deroceras panormitanum ''Deroceras panormitanum'' is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusc in the family Agriolimacidae. This article is about ''Deroceras panormitanum'' ''sensu stricto'', which occurs predominantly only on Si ...

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Deroceras reticulatum ''Deroceras reticulatum'', common names the "grey field slug" and "grey garden slug", is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusc in the family Agriolimacidae. This species is an important agricul ...

'' Oxychilidae * ''

Nesovitrea electrina ''Nesovitrea'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Oxychilidae, the glass snails. Species Species within the genus ''Nesovitrea'' include: * ''Nesovitrea binneyana'' * '' Nesovitrea ...

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Nesovitrea binneyana ''Nesovitrea binneyana'', common name the blue glass snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oxychilidae, the glass snails. This species is named in honor of the American malacolo ...

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Oxychilus draparnaudi ''Oxychilus draparnaudi'', or Draparnaud's glass snail, is a species of small land snail, a terrestrial pulmonate gastropod mollusc in the family Oxychilidae, the glass snails. Description ''Oxychilus draparnaudi'' is large for a zonitid glass ...

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Oxychilus alliarius ''Oxychilus alliarius'', commonly known as the garlic snail or garlic glass-snail, is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the glass snail family, Oxychilidae. Etymology The specific na ...

'' Gastrodontidae * '' Striatura pugetensis'' * '' Zonitoides arboreus'' * '' Zonitoides nitidus''

Pristilomatidae Pristilomatidae is a taxonomic family of air-breathing land snails, terrestrial gastropod mollusks in the superfamily Gastrodontoidea. According to the 2005 taxonomy of the Gastropoda by Bouchet & Rocroi these snails belong to the "limacoid ...

* '' Hawaiia minuscula'' * '' Pristiloma arcticum'' * '' Pristiloma chersinella'' * '' Pristiloma wascoense''

Vitrinidae Vitrinidae is a family of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Limacoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). MolluscaBase eds. (2021). MolluscaBas ...

* '' Vitrina pellucida'' Euconulidae * ''

Euconulus fulvus ''Euconulus fulvus'' is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Euconulidae, the hive snails. Description For terms see gastropod shell The 2.0-2.5 x 2.8-3.5 mm shell is br ...

'' Haplotrematidae * ''

Haplotrema vancouverense ''Haplotrema vancouverense'', common name the robust lancetooth, is a species of predatory air-breathing land snail, a terrestrial molluscs, terrestrial pulmonate gastropod mollusk in the family Haplotrematidae. References

Haplotrematid ...

Oreohelicidae Oreohelicidae is a family of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Punctoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Anatomy In this famil ...

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Oreohelix alpina ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are na ...

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Oreohelix amariradix ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are native ...

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Oreohelix carinifera ''Oreohelix carinifera'', common name keeled mountainsnail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. Original description ''Oreohelix carinifera'' was originally descri ...

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Oreohelix elrodi ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are native ...

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Oreohelix haydeni ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are native ...

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Oreohelix pygmaea ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are na ...

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Oreohelix strigosa ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are na ...

'' - with subspecies: ''Oreohelix strigosa berryi'' and ''Oreohelix strigosa depressa'' * ''

Oreohelix subrudis ''Oreohelix subrudis'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae Oreohelicidae is a family of small to medium-sized air-breathing land snails, terrestrial pulmonate gastrop ...

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Oreohelix yavapai ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are native ...

'' - with subspecies: ''Oreohelix yavapai mariae'' Polygyridae * ''

Allogona ptychophora ''Allogona ptychophora'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Polygyridae Polygyridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the supe ...

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Cryptomastix mullani ''Cryptomastix mullani'' is a species of air-breathing land snail, a terrestrial animal, terrestrial pulmonate gastropod mollusc in the family Polygyridae. Subspecies *''Cryptomastix mullani blandi'' (Hemphill, 1892) *''Cryptomastix mullani cla ...

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Cryptomastix sanburni ''Cryptomastix'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These snails cannot be differentiated from related polygyrids solely on the basis of their shell characters. Instead, ...

'' Cochlicopidae * '' Cochlicopa lubrica'' Charopidae * '' Radiodiscus abietum'' Punctidae * '' Paralaoma caputspinulae'' * '' Punctum randolphi'' * ''

Punctum californicum Punctum, plural puncta, adjective punctate, is an anatomical term for a sharp point or tip. It may also refer to: Medical *Lacrimal punctum, a minute opening on the margins of the eyelids that collect tears produced by the lacrimal glands *Blin ...

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Punctum minutissimum ''Punctum minutissimum'' is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails. Shell description The shell of ''Punctum minutissimum'' is slightly translucent and ...

'' Thysanophoridae * ''

Microphysula ingersolli ''Microphysula'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Thysanophoridae. Species Species in the genus ''Microphysula'' include: * ''Microphysula cookei'' (Pilsbry, 1922) - Vancouver sn ...

Valloniidae * '' Vallonia albula'' * '' Vallonia costata'' * ''

Vallonia cyclophorella ''Vallonia cyclophorella'', common name the silky vallonia, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae. Distribution This species occurs in areas including: America ...

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Vallonia gracilicosta ''Vallonia gracilicosta'', common name the multirib vallonia or multiribbed vallonia, is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae. Subspecies The subspecies, '' ...

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Vallonia perspectiva ''Vallonia perspectiva'' or ''thin-lip vallonia'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae. Description Distribution It is native to the United States and Canada.Tron ...

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Vallonia pulchella ''Vallonia pulchella'', common name the lovely vallonia, is a species of very small air-breathing land snail, a terrestrial molluscs, terrestrial pulmonate gastropod mollusk in the family Valloniidae. MolluscaBase eds. (2023). MolluscaBase. Vallo ...

'' * '' Zoogenetes harpa''

Freshwater bivalves

Freshwater bivalves in Montana include:

Margaritiferidae Margaritiferidae is a family of medium-sized freshwater mussels, aquatic bivalve molluscs in the order Unionida. Text may have been copied from this source, which is available under Attribution 4.0 International (CC BY 4.0)licence. It is the m ...

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Margaritifera falcata The western pearlshell (''Margaritifera falcata'') is a species of freshwater bivalve, a pearl mussel, a bivalve mollusk in the family Margaritiferidae. This species can be found only in the United States and Canada, where it occurs mostly west ...

'' Unionidae * ''

Lampsilis siliquoidea ''Lampsilis siliquoidea'', also known as the fatmucket, is a species of freshwater bivalve in the family Unionidae. Description ''Lampsilis siliquoidea'' is recognized by its brown shell with dark rays, and is usually about to in size. The s ...

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Lasmigona complanata ''Lasmigona'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or si ...

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Ligumia recta ''Ligumia recta'' is a species of freshwater mussel, an aquatic bivalve Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compresse ...

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Pyganodon grandis ''Pyganodon grandis'', the giant floater, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is fast-growing, large, and has a short lifespan. This species is native to the Un ...

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Quadrula quadrula ''Quadrula quadrula'', the mapleleaf, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. The thick shell is about as broad as it is long with heavy hinge teeth. The outside may be yellowish ...

'' Sphaeriidae * '' Musculium lacustre'' * '' Musculium partumeium'' * '' Musculium securis'' * '' Musculium transversum'' * '' Pisidium adamsi'' * '' Pisidium arbortivum'' * '' Pisidium casertanum'' * '' Pisidium compressum'' * ''

Pisidium conventus ''Pisidium conventus'', the arctic-alpine pea clam, is a species of freshwater bivalve from the family Sphaeriidae. Description The small (2.2–2.8 mm.) shell is oval in shape and thin and fragile. It is broad and flattened (laterally com ...

'' * '' Pisidium fallax'' * '' Pisidium ferrugineum'' * '' Pisidium idahoense'' * '' Pisidium imbecille'' * '' Pisidium insigne'' * ''

Pisidium lilljeborgii ''Pisidium lilljeborgii'' is a species of freshwater bivalve from the family Sphaeriidae. Description A moderately swollen (tumid), trapezoidal shell. The umbos are just behind the mid point and described as fairly narrow. The surface (periostra ...

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Pisidium milium ''Pisidium milium'' is a species of very small freshwater bivalve in the family Sphaeriidae, the fingernail clams and pea clams. Description The 3.0- to 4.5-mm shell is tumid (swollen). It is more rectangular than other ''Pisidium'' specie ...

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Pisidium nitidum ''Pisidium nitidum'', 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. Description The 3 – 4 mm. shell is slightly tumid (swollen). ...

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Pisidium obtusale ''Pisidium obtusale'' is a species of freshwater bivalve from family Sphaeriidae. Description The 2.5–3.5mm. shell is very tumid (swollen). It is an angular-oval shape with broad, rounded umbos which are behind the midpoint. The surface (peri ...

'' * '' Pisidium ovum'' * '' Pisidium roperi'' * '' Pisidium rotundatum'' * '' Pisidium scutulatum'' * '' Pisidium subtruncatum'' * '' Pisidium variabile'' - with subspecies: ''Pisidium variabile magnum'' * '' Pisidium ventricosum'' * '' Pisidium walkeri'' * '' Sphaerium fabale'' * ''

Sphaerium nitidum ''Sphaerium nitidum'' is a species of mollusc belonging to the family Sphaeriidae. Its native range is Subarctic. References

{{Taxonbar, from=Q3800743 Sphaeriidae Molluscs described in 1876 ...

'' * '' Sphaerium occidentale'' * '' Sphaerium patella'' * ''

Sphaerium rhomboideum ''Sphaerium rhomboideum'', the rhomboid fingernailclam, is a species of freshwater clams in the family Sphaeriidae Sphaeriidae is a family of small to minute freshwater bivalve molluscs in the order Sphaeriida. In the US, they are commonly kn ...

'' * '' Sphaerium simile'' * '' Sphaerium striatinum'' * '' Sphaerium sulcatum'' * '' Sphaerium tenue''

Species

List of non-marine molluscs

Freshwater gastropods

Land gastropods

Freshwater bivalves

See also

References

Further reading