List of non-marine molluscs of Montana

The non-marine mollusks of the state of Montana
Montana
Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

are a part of the molluscan fauna of Montana (wildlife of Montana), a northwestern state in the USA. The non-marine mollusks of Montana consist of land snails and slugs as well as freshwater snails, freshwater mussels and freshwater clams.

A number of species of non-marine molluscs are found in the wild in Montana.

There at least 155 species of gastropods found in Montana. Some of these species are exotics

Introduced species

An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...

(not native to Montana) and some species have been designated as Species of Concern.

There are at least 42 species of freshwater bivalve

Freshwater bivalve

Freshwater bivalves are one kind of freshwater molluscs. They are bivalves which live in freshwater, as opposed to saltwater. Although the majority of species of bivalve molluscs live in the sea, a number of different families of bivalves live in freshwater...

s known in Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

. The Montana Department of Fish, Wildlife and Parks

Montana Department of Fish, Wildlife and Parks

The Montana Department of Fish, Wildlife and Parks is a government agency in the executive branch state of Montana in the United States with responsibility for protecting sustainable fish, wildlife, and state-owned park resources in Montana for the purpose of providing recreational activities...

has identified a number of bivalve species as Species of Concern.

Summary table of number of species:
Numbers of molluscs by habitat	Number of species
Freshwater gastropods	??
Land gastropods	??
Total number of non-marine gastropods	155
Freshwater bivalves	42
Total number of non-marine molluscs	197

Freshwater gastropods

Freshwater gastropods in Montana include:

Bithyniidae

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....

Thiaridae

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

Melanoides tuberculata

Valvatidae

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

Valvata lewisi
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.- Recommended literature :...
Valvata humeralis
Valvata sincera
Valvata sincera
Valvata sincera, common name the mossy valvata or boreal turret snail, 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:...
Valvata tricarinata
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

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 :...

Pyrgulopsis bedfordensis
Fluminicola fuscus
Probythinella emarginata
Potamopyrgus antipodarum
Colligyrus greggi
Amnicola limosa
Amnicola currently known as "species 2" - Washington Duskysnail

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 coloradensis

Lymnaeidae

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

Stagnicola apicina
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:...
Fossaria dalli
Stagnicola elrodi
Fossaria obrussa
Stagnicola elrodiana
Fossaria humilis
Stagnicola elodes
Stagnicola elodes
Stagnicola elodes is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.- Further reading :...
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....
Stagnicola montanensis
Fossaria bulimoides
Fossaria parva
Fossaria modicella
Fisherola nuttalli
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...
Stagnicola traski
Stagnicola catascopium
Stagnicola caperata

Physidae

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

Physella vinosa
Physa skinneri
Physa skinneri
Physa skinneri, common name the glass physa, is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae.- Distribution :This species occurs in:* Canada* Montana, USA...
Aplexa elongata
Physa megalochlamys
Physa jennessi
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:...
Physella virgata
Physella propinqua
Physella columbiana
Physella gyrina
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:...
Physella lordi
Physella zionis

Planorbidae

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

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...
Menetus opercularis
Gyraulus circumstriatus
Planorbella pilsbryi
Gyraulus deflectus
Planorbella trivolvis
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:...
Planorbula campestris
Promenetus exacuous megas
Planorbella subcrenata
Promenetus exacuous
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...
Planorbula armigera
Helisoma anceps
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.-Distribution:...
Promenetus umbilicatellus
Ferrissia rivularis
Ferrissia fragilis
Ferrissia fragilis
Ferrissia fragilis is a species of small freshwater limpet, an aquatic gastropod mollusk in the family Planorbidae.- Distribution :This species is found in European countries and islands including:*Czech Republic*Germany*Netherlands*Poland...
Ferrissia parallelus

Land gastropods

Land gastropods in Montana include:

Succineidae

Succineidae

Succineidae are a family of small to medium-sized, air-breathing, land snails , terrestrial pulmonate gastropod molluscs. They are commonly called amber snails because their thin fragile shells are translucent and amber-colored...

Catinella rehderi
Catinella vermeta
Oxyloma decampi
Oxyloma gouldi
Oxyloma haydeni
Oxyloma haydeni
Oxyloma haydeni, is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Succineidae, the amber snails.- Subspecies :* Oxyloma haydeni haydeni - Niobrara ambersnail...
Oxyloma missoula
Oxyloma nuttallianum
Oxyloma retusum
Succinea grosvenori

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 ater
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:...
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...
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....
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...
Arion rufus
Arion subfuscus
Hemphillia camelus
Hemphillia camelus
Hemphillia camelus is a species of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Arionidae, the roundback slugs....
Hemphillia danielsi
Hemphillia danielsi
Hemphillia danielsi is a species of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Arionidae, the roundback slugs....
Kootenaia burkei
Magnipelta mycophaga
Prophysaon andersoni
Prophysaon humile
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 .-Genera:...

Polygyrella polygyrella

Vertiginidae

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

Columella columella
Columella columella
Columella columella is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Vertiginidae, the vertigo snails.This species is not listed in the IUCN red list and not evaluated...
Columella edentula
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 Vertiginidae.-Distribution:...
Gastrocopta armifera
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 :...
Gastrocopta holzingeri
Gastrocopta pentodon
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.- External links :*...
Vertigo binneyana
Vertigo concinnula
Vertigo cristata
Vertigo elatior
Vertigo gouldi
Vertigo modesta
Vertigo modesta
Vertigo modesta, common name cross vertigo, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the vertigo snails.-Distribution:...
Vertigo ovata
Vertigo ovata
Vertigo ovata, common name the ovate vertigo, is a species of gastropod in the Vertiginidae family....

Pupillidae

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

Pupilla blandi
Pupilla blandi
Pupilla blandi, common name the Rocky Mountain column, is a species of very small or minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.- External links :...
Pupilla hebes
Pupilla muscorum
Pupilla muscorum
Pupilla muscorum is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.- Taxonomy :A variety Pupilla muscorum var...
Pupilla syngenes

Discidae

Discidae is a taxonomic family of small air-breathing land snails, terrestrial gastropod mollusks in the superfamily Punctoidea.-Genera:The family Discidae has no subfamilies...

Anguispira kochi
Discus whitneyi
Discus brunsoni
Discus shimekii

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

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 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:...
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....
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...

Oxychilidae

Oxychilidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Gastrodontoidea.- Distribution :...

Nesovitrea electrina
Nesovitrea binneyana
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....
Oxychilus draparnaudi
Oxychilus draparnaudi
Oxychilus draparnaudi is a species of small land snail, a terrestrial pulmonate gastropod mollusk in the family Oxychilidae, the glass snails.-Shell description:...
Oxychilus alliarius
Oxychilus alliarius
Oxychilus alliarius, common name the "garlic snail" or "garlic glass-snail", is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oxychilidae, the glass snails....

Gastrodontidae

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

Striatura pugetensis
Zonitoides arboreus
Zonitoides arboreus
Zonitoides arboreus is species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae.-Distribution:The native distribution of Zonitoides arboreus includes:* North America...
Zonitoides nitidus
Zonitoides nitidus
Zonitoides nitidus is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae.Zonitoides nitidus is the type species of the genus Zonitoides.-Distribution:...

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 clade", and Vitreinae is a synonym for Pristilomatidae,...

Hawaiia minuscula
Hawaiia minuscula
Hawaiia minuscula, common name the minute gem or minute gem snail, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pristilomatidae.- Distribution :Non-indigenous:...
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 ....

Vitrina pellucida
Vitrina pellucida
Vitrina pellucida is species of small land snail, a terrestrial pulmonate gastropod mollusk in the family Vitrinidae, the glass snails.- Distribution :...

Euconulidae

Euconulidae is a taxonomic family of minute, air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks. This land snail family is closely allied to the Zonitidae, the glass snails.- Distribution :...

Euconulus fulvus
Euconulus fulvus
Euconulus fulvus is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Euconulidae, the hive snails.- Distribution :This species occurs in countries and islands including:* Czech Republic...

Haplotrematidae

Haplotrematidae is a taxonomic family of predatory air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Rhytidoidea.-Distribution:These are North American land snails...

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

Oreohelicidae

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

Oreohelix alpina
Oreohelix amariradix
Oreohelix carinifera
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 elrodi
Oreohelix haydeni
Oreohelix pygmaea
Oreohelix strigosa - with subspecies: Oreohelix strigosa berryi and Oreohelix strigosa depressa
Oreohelix subrudis
Oreohelix subrudis
Oreohelix subrudis is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae....
Oreohelix yavapai - with subspecies: Oreohelix yavapai mariae'

Polygyridae

Polygyridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.The Polygyridae make up a significant proportion of the land snail fauna of eastern North America, and are also found in western North America, northern Central America, and...

Allogona ptychophora
Allogona ptychophora
Allogona ptychophora is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Polygyridae....
Cryptomastix mullani
Cryptomastix mullani
Cryptomastix mullani, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Polygyridae.- Subspecies :*Cryptomastix mullani blandi *Cryptomastix mullani clappi...
Cryptomastix sanburni

Cochlicopidae

Cochlicopidae is a taxonomic family of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the superfamily Cochlicopoidea.-Anatomy:...

Cochlicopa lubrica
Cochlicopa lubrica
Cochlicopa lubrica is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Cochlicopidae.This species can be hard to differentiate from the similar species Cochlicopa lubricella.-Taxonomy:...

Charopidae

Charopidae is a taxonomic family of small air-breathing land snails , terrestrial pulmonate gastropod mollusks in the superfamily Punctoidea .- Subfamilies and genera :The family Charopidae consists of the following subfamilies:* Charopinae Hutton, 1884 - synonyms:...

Radiodiscus abietum

Punctidae

Punctidae, common name the "dot snails", is a family of minute air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the informal group Sigmurethra ....

Paralaoma caputspinulae
Punctum randolphi
Punctum randolphi
Punctum randolphi is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.-Shell description:...
Punctum californicum
Punctum minutissimum
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:...

Thysanophoridae

Thysanophoridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea .These are common woodland snails of North America...

Microphysula ingersolli

Valloniidae

Valloniidae is a taxonomic family of small and minute, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.-Anatomy:...

Vallonia albula
Vallonia costata
Vallonia costata
Vallonia costata is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae.-Distribution:This species occurs in areas including:* Great Britain* Ireland* Czech Republic* Slovakia* Poland...
Vallonia cyclophorella
Vallonia cyclophorella
Vallonia cyclophorella, common name Silky Vallonia, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae....
Vallonia gracilicosta
Vallonia gracilicosta
Vallonia gracilicosta, common name 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 :...
Vallonia perspectiva
Vallonia pulchella
Vallonia pulchella
Vallonia pulchella, common name the lovely 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 countries and islands including:...
Zoogenetes harpa

Freshwater bivalves

Freshwater bivalves in Montana 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 falcata

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...

Lampsilis siliquoidea
Lampsilis siliquoidea
Lampsilis siliquoidea also known as the Fatmucket Clam is a species of freshwater bivalve in the Unionidae family. It is widespread in North America, found in the drainages of both the Mississippi River, the Great Lakes, and Hudson Bay....
Lasmigona complanata
Ligumia recta
Ligumia recta
Ligumia recta is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.This species is found in eastern North America. It is native to the drainages of the Mississippi River, the drainages of the Great Lakes, and some Gulf Coast drainages....
Pyganodon grandis
Quadrula quadrula
Quadrula quadrula
The mapleleaf, scientific name Quadrula quadrula, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.This species is endemic to the United States.-References:...

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...

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:...
Musculium partumeium
Musculium securis
Musculium transversum
Musculium transversum
Musculium lacustre is a species of freshwater bivalve from family Sphaeriidae.-Distribution and conservation status:* Not listed in IUCN red list - not evaluated * Germany...
Pisidium adamsi
Pisidium arbortivum
Pisidium casertanum
Pisidium casertanum
Pisidium casertanum, the pea cockle or pea clam, is a minute freshwater bivalve mollusc of the family Sphaeriidae.- Description :...
Pisidium compressum
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...
Pisidium fallax
Pisidium ferrugineum
Pisidium idahoense
Pisidium imbecille
Pisidium insigne
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...
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...
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:...
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 -...
Pisidium ovum
Pisidium roperi
Pisidium rotundatum
Pisidium scutulatum
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...
Pisidium variabile - with subspecies: Pisidium variabile magnum
Pisidium ventricosum
Pisidium walkeri
Sphaerium fabale
Sphaerium nitidum
Sphaerium occidentale
Sphaerium patella
Sphaerium rhomboideum
Sphaerium simile
Sphaerium striatinum
Sphaerium sulcatum
Sphaerium tenue

Freshwater gastropods

Land gastropods

Freshwater bivalves

See also