There are numerous

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

molluscs Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant taxon, extant species of molluscs are recognized. The number of fossil sp ...

living in the wild in

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

. This list covers only the non-marine species.

Freshwater gastropods

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. MolluscaBase eds. (2021). MolluscaBase. Neritininae Poey, 1852. Accessed through: ...

* ''

Theodoxus danubialis ''Theodoxus danubialis'' is a species of small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites. The species is considered as endangered in Germany, Austria and in the Czech Republic. ...

'' (C. Pfeiffer, 1828)Dilian Georgiev & Zdravko Hubenov (2013). "Freshwater snails (Mollusca: Gastropoda) of Bulgaria: an updated annotated checklist".

Folia Malacologica ''La Folía'' (Spanish), or ''Follies'' (English), also known as ''folies d'Espagne'' (French), ''La Follia'' (Italian), and ''Folia'' (Portuguese), is one of the oldest remembered European musical themes, or primary material, generally melodic, ...

21(4): 237-263. DOI:10.12657/folmal.021.026 * ''

Theodoxus fluviatilis ''Theodoxus fluviatilis'', common name the river nerite, is a species of small freshwater and brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.Neubauer, Thomas A. (2014). ''T ...

'' (Linnaeus, 1758) * ''

Theodoxus pallasi ''Theodoxus pallasi'' is a species of a freshwater snail with an Operculum (gastropod), operculum, an Aquatic animal, aquatic gastropod mollusk in the family Neritidae, the nerites. Description Coloration, radula and operculum of ''Theodoxus pal ...

'' Linholm, 1924 * ''

Theodoxus transversalis The striped nerite, scientific name ''Theodoxus transversalis'', is a species of small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites. Distribution The distribution of this species is ...

'' (C. Pfeiffer, 1828)

Viviparidae Viviparidae, sometimes known as the river snails or mystery snails, are a family of large operculate freshwater snails, aquatic gastropod mollusks. This family is classified in the informal group Architaenioglossa according to the taxonomy of ...

* ''

Viviparus acerosus ''Viviparus acerosus'' is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails. Distribution The distribution of this species is Danubian. It is found in Austria, Bulgaria, ...

'' (Bourguignat, 1862) * ''

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 This species is palaearcti ...

'' (Millet, 1813) * ''

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. This species is a viviparous (ovoviviparous) snail. Description The height ...

'' (Linnaeus, 1758)

Melanopsidae Melanopsidae, common name melanopsids, is a family of freshwater gastropods in the clade Sorbeoconcha. Species in this family are native to southern and eastern Europe, northern Africa, parts of the Middle East, New Zealand, and freshwater strea ...

* '' Melanopsis parreyssi'' Philippi, 1847 * '' Esperiana (Esperiana) esperi'' (A. Férussac, 1823) * '' Esperiana (Microcolpia) daudebartii'' (Prevost, 1821) * ''

Holandriana holandrii ''Holandriana'' is a genus of gastropods 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 sa ...

'' (C. Pfeiffer, 1828) Pyrgulidae * '' Turricaspia (Laevicaspia) lincta'' (Milaschewitch, 1908) * '' Turricaspia (Clessiniola) variabilis'' (Eichwald, 1838)

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 (Bithynia) danubialis'' Glöer et Georgiev, 2012 * '' Bithynia (Bithynia) tentaculata'' (Linnaeus, 1758) * '' Bithynia (Codiella) rumelica'' Wohlberedt, 1911

Bythinellidae Bythinellidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the order Littorinimorpha Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails (marine species), ...

* ''

Bythinella aneliae ''Bythinella'' is a genus of very small freshwater snails, an aquatic gastropod mollusk in the family Bythinellidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). These gonochoristic snails are small animals, with a ...

'' Georgiev et Stoycheva, 2011Dilian Georgiev & Slaveya Stoycheva (2011). "A new spring-snail species (Mollusca: Gastropoda: Risooidea) from Stara Planina Mountain, Bulgaria". Bul. Shk., Ser. Shk. Nat. 61: 97-100. * ''

Bythinella angelovi ''Bythinella'' is a genus of very small freshwater snails, an aquatic gastropod mollusk in the family Bythinellidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). These gonochoristic snails are small animals, with a ...

'' Glöer et Georgiev, 2011 * ''

Bythinella dedovi ''Bythinella'' is a genus of very small freshwater snails, an aquatic gastropod mollusk in the family Bythinellidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). These gonochoristic snails are small animals, with a ...

'' Glöer et Georgiev, 2011 * ''

Bythinella dierckingi ''Bythinella'' is a genus of very small freshwater snails, an aquatic gastropod mollusk in the family Bythinellidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). These gonochoristic snails are small animals, with a ...

'' Glöer et Georgiev, 2011 * '' Bythinella elenae'' Glöer et Georgiev, 2011 * '' Bythinella fabiae'' Georgiev, Schneppart & Dedov, 2022 * '' Bythinella gloeeri'' Georgiev, 2009Peter Glöer & Dilian Georgiev (2011). „Bulgaria, A hot spot of biodiversity (Gastropoda: Rissooidea)?“.

Journal of Conchology The ''Journal of Conchology'' is a peer-reviewed scientific journal published by The Conchological Society of Great Britain and Ireland, covering research in conchology and malacology. It claims to be the world's oldest continuing publication on t ...

40(5): 1-16. * '' Bythinella hansboetersi'' Glöer et Pešiæ, 2006 * '' Bythinella izvorica'' Glöer et Georgiev, 2011 * '' Bythinella kleptuzica'' Glöer et Georgiev, 2011 * '' Bythinella margritae'' Glöer et Georgiev, 2011 * '' Bythinella markovi'' Glöer et Georgiev, 2009Peter Glöer & Dilian Georgiev (2009). „New Rissooidea from Bulgaria (Gastropoda: Rissooidea)“.

Mollusca Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

27(2): 123-136. * ''

Bythinella ravnogorica ''Bythinella'' is a genus of very small freshwater snails, an Aquatic animal, aquatic gastropod mollusk in the family (biology), family Bythinellidae (according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), taxonomy of the Gastropod ...

'' Glöer et Georgiev, 2009 * '' Bythinella rhodopensis'' Glöer et Georgiev, 2011 * '' Bythinella rilaensis'' Georgiev et Glöer, 2013 * '' Bythinella slaveyae'' Glöer et Georgiev, 2011 * '' Bythinella smolyanica'' Glöer et Georgiev, 2011 * '' Bythinella srednogorica'' Glöer et Georgiev, 2009 * '' Bythinella stoychevae'' Georgiev, 2011 * '' Bythinella temelkovi'' Georgiev & Glöer, 2014 * '' Bythinella valkanovi'' Glöer et Georgiev, 2011 * '' Bythinella vidinovae'' Dedov, Taseva & Georgiev, 2021Dedov, Ivaylo K.; Taseva, Mila A.; Georgiev, Dilian G. (2021). "Bythinella vidinovae — a new species (Mollusca: Gastropoda: Bythinellidae) from the Pirin Mountains, south-western Bulgaria".

Archiv für Molluskenkunde ''Archiv für Molluskenkunde'' is a peer-reviewed scientific journal published by the Senckenberg Nature Research Society, covering research in malacology. Coverage ''Archiv für Molluskenkunde'' publishes original research on all aspects of mo ...

150(2): 107-110. DOI: 10.1127/arch.moll/150/107-110 * '' Bythinella walkeri'' Glöer et Georgiev, 2009 * '' Strandzhia bythinellopenia'' Georgiev et Glöer, 2013

Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha. Distribution Hydrobiidae are found in much of the world, ...

* '' Balkanica yankovi'' Georgiev, 2011Dilian Georgiev (2011). „New species of snails (Mollusca: Gastropoda: Risooidea) from cave waters of Bulgaria“. Bul. Shk., Ser. Shk. Nat. 61: 83-96. * '' Balkanospeum schniebsae'' (Georgiev, 2011) * '' Caspia milae'' Boeters, Glöer, Georgiev & Dedov, 2015 * '' Cavernisa zaschevi'' (Angelov, 1959) * '' Devetakia apostoloui'' Georgiev, Dedov & Taseva, 2022 * '' Devetakia krushunica'' Georgiev et Glöer, 2011Dilian Georgiev & Peter Glöer (2011). „Two New Species of a New Genus Devetakia gen. n. (Gastropoda: Hydrobiidae) from the Caves of Devetashko Plateau, North Bulgaria“. Acta Zoologica Bulgarica 63(1): 11-15. * '' Devetakia mandrica'' Georgiev, 2012Dilian Georgiev (2012). „New Taxa of Hydrobiidae (Gastropoda: Risooidea) from Bulgarian Cave and Spring Waters“. Acta Zoologica Bulgarica 64(2): 113-121. * '' Devetakia pandurskii'' Georgiev et Glöer, 2011 * '' Devetakia veselinae'' Georgiev & Glöer, 2015 * '' Devetakiola devetakium'' (Georgiev et Glöer, 2013) * '' Gloeria bulgarica'' Georgiev, Dedov et Varadinova, 2012 * ''

Grossuana angeltsekovi ''Grossuana'' is a genus of very small freshwater snails, aquatic gastropod mollusks in the family Hydrobiidae Bouchet, P. (2014). Grossuana Radoman, 1983. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia ...

'' Glöer et Georgiev, 2009 * ''

Grossuana codreanui ''Grossuana'' is a genus of very small freshwater snails, aquatic gastropod mollusks in the family Hydrobiidae Bouchet, P. (2014). Grossuana Radoman, 1983. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia ...

'' (Grossu, 1946) * ''

Grossuana derventica ''Grossuana'' is a genus of very small freshwater snails, aquatic gastropod mollusks in the family Hydrobiidae Bouchet, P. (2014). Grossuana Radoman, 1983. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia ...

'' Georgiev et Glöer, 2013 * '' Grossuana falniowskii'' Georgiev, Glöer, Dedov & Irikov, 2015 * ''

Grossuana slavyanica ''Grossuana'' is a genus of very small freshwater snails, aquatic gastropod mollusks in the family Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails wit ...

'' Georgiev et Glöer, 2013 * '' Grossuana thracica'' Glöer et Georgiev, 2009 * '' “Hauffenia” lucidula'' (Angelov, 1967) * ''

Hydrobia acuta ''Hydrobia acuta'' is a species of very small (4-6mm.) brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. Description Draparnaud's description reads "Coquille ovale-oblongue, un peu con ...

'' Draparnaud, 1805 * '' Insignia macrostoma'' Angelov, 1972 * '' Kolevia bulgarica'' Georgiev & Glöer, 2015 * '' Microstygia deltchevi'' Georgiev & Glöer, 2015 * '' Plagigeyeria procerula'' (Angelov, 1965) * '' Pontobelgrandiella angelovi'' (Pintér, 1968)Dilian Georgiev (2011). „New localities of four Bulgarian endemic Hydrobiidae species (Mollusca: Gastropoda: Risooidea)“. ZooNotes 16: 1-4. * '' Pontobelgrandiella bachkovoensis'' (Glöer et Georgiev, 2009) * '' Pontobelgrandiella bulgarica'' (Angelov, 1972) * '' Pontobelgrandiella bureschi'' (Angelov, 1976) * '' Pontobelgrandiella delevae'' (Georgiev & Glöer, 2015) * '' Pontobelgrandiella dobrostanica'' (Glöer et Georgiev, 2009) * '' Pontobelgrandiella hessei'' (A. Wagner, 1927) * '' Pontobelgrandiella lomica'' (Georgiev & Glöer, 2015) * '' Pontobelgrandiella maarensis'' (Georgiev, 2013) * '' Pontobelgrandiella nitida'' (Angelov, 1972) * '' Pontobelgrandiella pandurskii'' (Georgiev, 2011)Dilian Georgiev (2011). „A New Species of Belgrandiella (Wagner 1927) (Mollusca: Gastropoda) from Caves in Northern Bulgaria“. Acta Zoologica Bulgarica 63(1): 7-10. * '' Pontobelgrandiella pussila'' (Angelov, 1959) * '' Pontobelgrandiella stanimirae'' (Georgiev, 2011) * '' Pontobelgrandiella tanevi'' Georgiev, 2013 * ''

Pontobelgrandiella zagoraensis ''Pontobelgrandiella'' is a genus of gastropods belonging to the family Hydrobiidae. Species: *''Pontobelgrandiella angelovi'' *''Pontobelgrandiella bachkovoensis'' *''Pontobelgrandiella bulgarica'' *''Pontobelgrandiella bureschi'' *''Pontob ...

'' (Glöer et Georgiev, 2009) * '' Radomaniola aytosensis'' (Georgiev, 2012) * '' Radomaniola bulgarica'' Glöer et Georgiev, 2009 * '' Radomaniola radostinae'' (Georgiev, 2012) * '' Radomaniola rhodopensis'' Glöer et Georgiev, 2009 * '' Radomaniola strandzhica'' Georgiev et Glöer, 2013 * '' Stoyanovia stoyanovi'' (Georgiev, 2013)

Lithoglyphidae Lithoglyphidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks. This family is in the superfamily Truncatelloidea and in the clade Littorinimorpha (according to the taxonomy of the Gastropoda by ...

* ''

Lithoglyphus naticoides ''Lithoglyphus naticoides'' , the gravel snail, is a species of small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae. ''Lithoglyphus naticoides'' is the type species of the genus ''Litho ...

'' (C. Pfeiffer, 1828) * '' Lithoglyphus pyramidatus'' von Möllendorf, 1873

Moitessieriidae Moitessieriidae is a family of small freshwater snails, aquatic gastropod molluscs in the superfamily Truncatelloidea.Bouchet, P. (2014). Moitessieriidae Bourguignat, 1863. Accessed through: World Register of Marine Species at http://www.marine ...

* '' Bythiospeum bechevi'' Georgiev & Glöer, 2013 * '' Bythiospeum buresi'' (A. Wagner, 1928) * '' Bythiospeum copiosum'' (Angelov, 1972) * '' Bythiospeum dourdeni'' Georgiev, 2012Dilian Georgiev (2012). „Two New Species of Stygobiotic Snails from the Genus Bythiospeum (Gastropoda: Hydrobiidae) from Bulgaria“. Acta Zoologica Bulgarica 64: 15-18. * '' Bythiospeum iltchoi'' Georgiev & Glöer, 2015 * '' Bythiospeum iltchokolevi'' Georgiev & Glöer, 2015 * '' Bythiospeum jazzi'' Georgiev & Glöer, 2013 * '' Bythiospeum juliae'' Georgiev & Glöer, 2015 * '' Bythiospeum kolevi'' Georgiev, 2013 * '' Bythiospeum pandurskii'' Georgiev, 2012 * '' Bythiospeum simovi'' Georgiev, 2013 * '' Iglica acicularis'' Angelov, 1959

Tateidae Tateidae is a family of very small and minute aquatic snails with an operculum, gastropod mollusks in the superfamily Truncatelloidea.Bouchet, P. (2014). Tateidae Thiele, 1925. Accessed through: World Register of Marine Species at http://www.ma ...

* ''

Potamopyrgus antipodarum The New Zealand mud snail (''Potamopyrgus antipodarum'') is a species of very small freshwater snail with a gill and an operculum. This aquatic gastropod mollusk is in the family Tateidae. It is native to New Zealand, where it is found through ...

'' (J. E. Gray, 1843)

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 Bouche ...

* '' Valvata (Valvata) cristata'' O. F. Müller, 1774 * '' Valvata (Tropidina) macrostoma'' (Mörch, 1864) * '' Valvata (Cincinna) piscinalis'' (O. F. Müller, 1774) * ''

Borysthenia naticina ''Borysthenia naticina'' is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Valvatidae, the valve snails. Distribution This species occurs in the Pontic and Baltic regions as follows ...

'' (Menke, 1845)

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 lacustris ''Acroloxus lacustris'', or the lake limpet, is a small freshwater limpet or snail, a species of aquatic gastropod mollusk in the family Acroloxidae. Description The 4–7 mm. (7 mm long, 3 mm wide and 2 mm high) shell is l ...

'' (Linnaeus, 1758)

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

* ''

Galba truncatula ''Galba truncatula'' is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.Neubauer, Thomas A. (2014). Galba (Galba) truncatula (Müller, 1774). Accessed through: World R ...

'' (O. F. Müller, 1774) * ''

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 This species is found in the Czech Republic, Horsák M., Juřičková L., Beran ...

'' (Gmelin, 1791) * ''

Stagnicola montenegrinus ''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 ...

'' Glöer et Pešić, 2009 * '' Stagnicola palustris'' (O. F. Müller, 1774) * '' Stagnicola turricula'' (Held, 1836) * ''

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) ...

'' (Linnaeus, 1758) * ''

Radix balthica ''Radix balthica'', common name the wandering snail, is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.Neubauer, Thomas A.; Rosenberg, G.; Gofas, S. (2014). Radix ...

'' (Linnaeus, 1758) * ''

Radix labiata ''Peregriana peregra'' is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod in the family Lymnaeidae, the pond snails. Distribution and habitat This small pond snail is found in Europe, Newfoundland and northern A ...

'' (Rossmässler, 1835) * ''

Radix lagotis ''Ampullaceana lagotis'' is a species of freshwater 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 gastro ...

'' (Schrank, 1803) * '' Myxas glutinosa'' (O. F. Müller, 1774) * ''

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. The great pond snail is a model organism to study parasitology, ...

'' (Linnaeus, 1758)

Physidae Physidae, common name the bladder snails, is a monophyletic taxonomic family of small air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the superfamily Lymnaeoidea .MolluscaBase eds. (2021). MolluscaBase. Physidae Fitzin ...

* ''

Physa fontinalis ''Physa fontinalis'', common name the common bladder snail, is a species of air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae. The shells of species in the genus ''Physa'' are left-handed or sinistral. Desc ...

'' (Linnaeus, 1758) * ''

Physella acuta ''Physella acuta'' is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae. Common names include European physa, tadpole snail, bladder snail, and acute bladder snail. ...

'' (Draparnaud, 1805) * ''

Aplexa hypnorum ''Aplexa hypnorum'', or by the 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)

Planorbidae Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin ins ...

* ''

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 ...

'' (Linnaeus, 1758) * ''

Planorbis carinatus ''Planorbis carinatus'' is species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ramshorn snails. Description The width of shell of this species is 9–15 mm. The shell has a noticeable k ...

'' O. F. Müller, 1774 * ''

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.Neubauer, Thomas A. (2014). ''Planorbis'' (''Planorbis'') ''planorbis'' (Linnaeus, 1758). Acc ...

'' (Linnaeus, 1758) * '' Anisus (Anisus) leucostoma'' (Millet, 1813) * '' Anisus (Anisus) septemgyratus'' (Rossmässler, 1835) * '' Anisus (Anisus) spirorbis'' (Linnaeus, 1758) * '' Anisus (Disculifer) vortex'' (Linnaeus, 1758) * '' Anisus (Disculifer) vorticulus'' (Troschel, 1834) * ''

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 Pa ...

'' (Linnaeus, 1758) * '' Gyraulus (Gyraulus) albus'' (O. F. Müller, 1774) * '' Gyraulus (Torquis) laevis'' (Alder, 1838) * '' Gyraulus (Armiger) crista'' (Linnaeus, 1758) * '' Gyraulus (Lamorbis) piscinarum'' Bourguignat, 1852 * '' Hippeutis complanatus'' (Linnaeus, 1758) * '' Segmentina nitida'' (O. F. Müller, 1774) * ''

Ferrissia fragilis ''Ferrissia californica'' is a species of small freshwater limpet, an aquatic gastropod mollusk in the family Planorbidae. MolluscaBase eds. (2021). MolluscaBase. Ferrissia californica (Rowell, 1863). Accessed through: World Register of Marine S ...

'' (Tryon, 1863) * ''

Ancylus fluviatilis The river limpet (''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. Des ...

'' O. F. Müller, 1774 * '' Ancylus recurvus'' Martens, 1873

Land gastropods

Aciculidae The Aciculidae are a family of minute land snails which have opercula (an operculum is a little door that closes the shell when the animal retracts into it). In other words, Aciculidae are terrestrial operculate gastropods. Even though Acicul ...

* '' Platyla oedogyra'' (Paladilhe, 1868) * '' Platyla orthostoma'' Jankiewicz, 1979 * ''

Platyla polita ''Platyla polita'' is a species of very small land snail with an operculum, a terrestrial gastropod mollusk or micromollusk in the family Aciculidae. MolluscaBase eds. (2022). MolluscaBase. Platyla polita (W. Hartmann, 1840). Accessed through: ...

'' (Hartmann, 1840)

Pomatiidae The family Pomatiidae is a taxonomic family of small operculate land snails, terrestrial gastropod mollusks that can be found over the warmer parts of the Old World. In the older literature, this family is designated as Pomatiasidae. This family ...

* ''

Pomatias elegans ''Pomatias elegans'', common name the round-mouthed snail, is a species of small land snail with an operculum, a terrestrial gastropod mollusk in the family Pomatiidae within the superfamily Littorinoidea, the winkles and their allies. This spe ...

'' (O.F. Müller, 1774) * '' Pomatias rivularis'' (Eichwald, 1829)

Ellobiidae Ellobiidae, common name the hollow-shelled snails, is a family of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata.Bouchet, P. (2012). Ellobiidae. Accessed through: World Register of Marine Speci ...

* ''

Carychium minimum ''Carychium minimum'' is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Ellobiidae. Description The width of the shell is 0.9-1.1 mm. The height of the shell is 1.6-2.2 mm. It ...

'' O.F. Müller, 1774 * ''

Carychium tridentatum ''Carychium tridentatum'' is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Ellobiidae. Description The shell is 1.8-2.3 mm high x 0.8-0.9mm. wide. The shell is more slender than th ...

'' ( Risso, 1826) * '' Myosotella myosotis'' (Draparnaud, 1801)

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 ...

* ''

Succinea putris ''Succinea putris'' is a species of small air-breathing land snail in the family Succineidae, the amber snails. Description The 10-17 (27) x 6-8 mm has 3-4 whorls. These are relatively flat and with shallow sutures. The body whorl is ma ...

'' (Linnaeus, 1758)Georgiev D. G. (2006). "Two new species from the family Succineidae (Beck, 1837) (Gastropoda: Pulmonata) to the fauna of Bulgaria". ''Scientific Studies of the University of Plovdiv, Biology, Animalia'' 41: 7-11
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* '' Succinella oblonga'' (Draparnaud, 1801) * ''

Oxyloma elegans ''Oxyloma elegans'' is a species of small European land snail, a terrestrial pulmonate gastropod mollusk belonging to the family Succineidae, the amber snails. Description The shell usually has fewer than 3 whorls. The body whorl is very la ...

'' ( Risso, 1826) * ''

Oxyloma sarsii ''Oxyloma sarsii'' is a species of small European land snail, a terrestrial pulmonate gastropod mollusk belonging to the family Succineidae, the amber snails. Description Only reliably separated from the very similar '' Oxyloma elegans'' by ...

'' (Esmark, 1886) * '' Oxyloma dunkeri'' (L. Pfeiffer, 1865)

Cochlicopidae Cochlicopidae is a taxonomic family of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the superfamily Cochlicopoidea. Anatomy In this family, the number of haploid chromosome A chromosome is a long DN ...

* ''

Cochlicopa lubrica ''Cochlicopa lubrica'' is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Cochlicopidae.MolluscaBase eds. (2020). MolluscaBase. Cochlicopa lubrica (O. F. Müller, 1774). Accessed through: ...

'' (O.F. Müller, 1774) * ''

Cochlicopa lubricella ''Cochlicopa lubricella'' is a European species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Cochlicopidae. MolluscaBase eds. (2020). MolluscaBase. Cochlicopa lubricella (Porro, 1838). Accessed thr ...

'' (Porro, 1838) * '' Cochlicopa nitens'' (Gallenstein, 1852)

Argnidae Argnidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks. Distribution Distribution of Argnidae include Europe: southern and eastern Alps and Carpathian Mountains.

* '' Agardhiella macrodonta'' (Hesse, 1916) * '' Agardhiella parreysii'' (L. Pfeiffer, 1848) * '' Agardhiella rumelica'' (Hesse, 1916)

Chondrinidae Chondrinidae is a family of mostly minute air-breathing land snails, terrestrial pulmonate gastropod mollusks in the order Pulmonata. Anatomy In this family, the number of haploid chromosomes lies between 26 and 30 (according to the values i ...

* '' Chondrina arcadica'' (Reinhardt, 1881) * ''

Chondrina avenacea ''Chondrina avenacea'' is a species of small, air-breathing land snail, a terrestrial molluscs, terrestrial pulmonate gastropod mollusk in the family Chondrinidae. ;Subspecies: * ''Chondrina avenacea avenacea'' (Bruguière, 1792) * ''Chondrina ...

'' (Bruguière, 1729) * '' Granaria frumentum'' (Draparnaud, 1801)

Lauriidae Lauriidae is a family of land snails. It is classified within the informal group Orthurethra, itself belonging to the clade Stylommatophora within the clade Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005) ...

* ''

Lauria cylindracea ''Lauria cylindracea'', common name "the common chrysalis snail", is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Lauriidae. Description For terms see gastropod shell The 3-4 x 1.8 mm ...

'' (Da Costa, 1778) * '' Leiostyla schweigeri'' Götting, 1963

Orculidae Orculidae is a family of mostly minute, air-breathing, land snails; terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea. MolluscaBase eds. (2021). MolluscaBase. Orculidae Pilsbry, 1918. Accessed through: World Register of Mar ...

* '' Orcula zilchi'' Urbański, 1960 * ''

Orculella bulgarica ''Orculella'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae. The genus ''Orculella'' occurs in the whole Mediterranean region. The richest areas in terms of species are Turkey and th ...

'' (Hesse, 1915) * '' Pagodulina subdola brabeneci'' Hudec et Vašatko, 1971 * ''

Sphyradium doliolum ''Sphyradium doliolum'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Orculidae. MolluscaBase eds. (2022). MolluscaBase. Sphyradium doliolum (Bruguière, 1792). Accessed through: World Regis ...

'' (Bruguiere, 1792)

Pupillidae Pupillidae is a family of mostly minute, air-breathing, land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the superfamily Pupilloidea. MolluscaBase eds. (2021). MolluscaBase. Pupillidae W. Turton, 1831. Accessed through: ...

* ''

Pupilla muscorum ''Pupilla muscorum'', commonly known as the Moss Chrysalis snail or widespread column, is a species of minute air-breathing land snail, a terrestrial pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before t ...

'' (Linnaeus, 1758) * '' Pupilla sterri'' (Voith, 1838) * '' Pupilla triplicata'' (Studer, 1820)

Pyramidulidae Pyramidulidae is a family (biology), family of small air-breathing land snails, terrestrial molluscs, terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea. MolluscaBase eds. (2022). MolluscaBase. Pyramidulidae Kennard & B. B. W ...

* '' Pyramidula pusilla'' (Vallot, 1801)

Spelaeodiscidae Spelaeodiscidae is a family of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). The family Spelaeodiscidae has ...

* '' Aspasita bulgarica'' Subai & Dedov, 2008 * '' Aspasita triaria triaria'' (Rossmässler, 1839)

Truncatellinidae Truncatellinidae is a family of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the superfamily Chondrinoidea. MolluscaBase eds. (2020). MolluscaBase. Truncatellinidae Steenberg, 1925. Accessed ...

* '' Truncatellina claustralis'' (Gredler, 1856) * ''

Truncatellina costulata ''Truncatellina costulata'' is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Truncatellinidae. Distribution This species occurs in: * Czech Republic - in Bohemia and in Moravia. Hor ...

'' (Nilsson, 1822) * ''

Truncatellina cylindrica ''Truncatellina cylindrica'' is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Truncatellinidae. MolluscaBase eds. (2022). MolluscaBase. Truncatellina cylindrica (J. B. Férussac, 1807) ...

'' (Férussac, 1807)

Valloniidae Valloniidae is a taxonomic family of small and minute, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea. MolluscaBase eds. (2020). MolluscaBase. Valloniidae Morse, 1864. Accessed through: World R ...

* ''

Acanthinula aculeata ''Acanthinula aculeata'' is a species of minute, air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Valloniidae. Description For terms see gastropod shell. The 1.9-2.1 mm. shell is sligh ...

'' (Müller, 1774) * ''

Vallonia costata ''Vallonia costata'' is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae.MolluscaBase eds. (2023). MolluscaBase. Vallonia costata (O. F. Müller, 1774). Accessed through: World Re ...

'' O. F. Müller, 1774) * ''

Vallonia enniensis ''Vallonia enniensis'' is a species of minute land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Valloniidae.Helix pulchella var. enniensis Gredler, 1856 · unaccepted (original combination and rank) Distri ...

'' (Gredler, 1856) * ''

Vallonia excentrica ''Vallonia excentrica'', common name the eccentric vallonia, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae.Marshall, B. (2014). Vallonia excentrica Sterki, 1893. Acces ...

'' Sterki, 1892 * ''

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 ...

'' (O. F. Müller, 1774)

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

* '' Vertigo alpestris'' (Alder, 1830) * ''

Vertigo angustior ''Vertigo angustior'', the narrow-mouthed whorl snail, is a species of minute land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails. MolluscaBase eds. (2023). MolluscaBase. Verti ...

'' Jeffreys, 1830 * ''

Vertigo antivertigo ''Vertigo antivertigo'' is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails. MolluscaBase eds. (2023). MolluscaBase. Vertigo antivertigo (Draparna ...

'' (Draparnaud, 1801) * ''

Vertigo moulinsiana Desmoulin's whorl snail (''Vertigo moulinsiana'') is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails. This species was named in honor of th ...

'' (Dupuy, 1849) * '' Vertigo pusilla'' O. F. Müller, 1774 * '' Vertigo pygmaea'' (Draparnaud, 1801) * ''

Vertigo substriata ''Vertigo substriata'' is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails. MolluscaBase eds. (2023). MolluscaBase. Vertigo substriata (Jeffreys, ...

'' (Jeffreys, 1830)

Enidae Enidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks. MolluscaBase eds. (2020). MolluscaBase. Enidae B. B. Woodward, 1903 (1880). Accessed through: World Register of Marine Species at: http://www.marinespecies ...

* '' Chondrula macedonica'' A. J. Wagner, 1915 * '' Chondrula microtraga'' (Rossmässler, 1839) * '' Chondrula tricuspidata'' (Küster, 1841) * '' Chondrula tridens'' (Müller, 1774) * '' Chondrus zebra tantalus'' (L. Pfeiffer, 1868) * ''

Ena montana ''Ena montana'' is a species of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Enidae. MolluscaBase eds. (2020). MolluscaBase. Ena montana (Draparnaud, 1801). Accessed through: World Register of Marine Spec ...

'' (Draparnaud, 1801) * '' Eubrephulus bicallosus'' (L. Pfeiffer, 1847) * '' Leucomastus kindermanni'' (L. Pfeiffer, 1853) * '' Mastus rossmaessleri'' (L. Pfeiffer, 1846) * ''

Mastus carneolus ''Mastus'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Enidae. Species Species: *''Mastus abundans'' *''Mastus alpicola'' *''Mastus amenazada'' *'' Mastus anatolicus'' *''Mastus athensis'' ...

'' (Mousson, 1863) * ''

Mastus etuberculatus ''Mastus'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Enidae. Species Species: *'' Mastus abundans'' *'' Mastus alpicola'' *'' Mastus amenazada'' *'' Mastus anatolicus'' *'' Mastus athe ...

'' (Frauenfeld, 1867) * ''

Merdigera obscura ''Merdigera obscura'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Enidae. Distribution and habitat This species is present in north-western Africa and in most of Europe from Portugal to R ...

'' (O. F. Müller, 1774) * '' Multidentula ovularis'' (Olivier, 1801) * '' Multidentula squalina'' (Rossmässler, 1848) * '' Pseudochondrula seductilis'' (Rossmässler, 1846) * ''

Zebrina detrita ''Zebrina detrita'' is a medium-sized species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Enidae. Description The width of the shell is 12 mm. The height of the shell is 25 mm. Distribution ...

'' (O. F. Müller, 1774) * ''

Zebrina varnensis ''Zebrina'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Enidae. Species Species in the genus ''Zebrina'' include: * '' Zebrina detrita'' (O. F. Müller, 1774) * ''Zebrina fasciolata'' (Oliv ...

'' (L. Pfeiffer, 1847)

Clausiliidae Clausiliidae, also known by their common name the door snails, are a taxonomic family of small, very elongate, mostly left-handed, air-breathing land snails, sinistral terrestrial pulmonate gastropod mollusks.MolluscaBase eds. (2020). MolluscaBa ...

* '' Alinda atanasovi'' (Urbański, 1964) - with the subspecies ''atanasovi'' and ''kremenensis'' (Dedov, 2009) * ''

Alinda biplicata ''Alinda biplicata'',Kantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V. (published online on March 2, 2010). "Catalogue of the continental mollusks of Russia and adjacent territories". http://www.ruthenica.com/documents/Continental_Russ ...

'' ( Montagu, 1803) - with the subspecies ''biplicata'', ''alibotushensis'' Dedov, 2009, ''euptychia'' (Ehrmann (in Urbański, 1960), ''irikovi'' Nordsieck, 2008, karlukovoensis'' Dedov, 2009, ''michaudiana'' (Pfeiffer, 1848) and ''orientalis'' Nordsieck, 2008 * '' Alinda fallax'' (Rossmässler, 1836) * '' Alinda golesnicensis'' Wagner, 1914 * '' Alinda vratzatica'' (Likharev, 1972) * '' Alinda wagneri'' (Wagner, 1911) - with the subspecies ''wagneri'' and ''petrohanica'' (Urbański, 1969) * '' Balea eninskoensis'' (Irikov, 2006) * '' Balea kaeufeli'' (Brandt, 1961) * '' Bulgarica bulgariensis'' ( L. Pfeiffer, 1848) - with the subspecies ''bulgariensis'', ''intricata'' (Mousson, 1859) and ''osmanica'' (Westerlund, 1884) * '' Bulgarica denticulata thessalonica'' (Rossmässler, 1839) * '' Bulgarica fraudigera'' (Rossmässler, 1839) * '' Bulgarica fritillaria'' ( Frivaldszky, 1835) * '' Bulgarica gabrovnitsana'' Ivanov, 2006 * '' Bulgarica hiltrudae'' Nordsieck, 1974 * '' Bulgarica pseudofraudigera'' Nordsieck, 1973 * '' Bulgarica trimontsiana'' Ivanov, 2006 * '' Bulgarica varnensis'' ( L. Pfeiffer, 1848) * '' Bulgarica vetusta'' (Rossmässler, 1836) * '' Bulgarica urbanskii'' Nordsieck, 1973 - with the subspecies ''urbanskii'' and ''paganella'' Nordsieck, 1974 * '' Carinigera buresi'' Wagner, 1928 - with the subspecies ''buresi'', ''damjanovi'' (Likharev, 1972) and ''dramaensis'' (Nordsieck, 1977) * '' Carinigera schuetti'' Brandt, 1962 * '' Clausilia pumila pumila'' Pfeiffer, 1828 * ''

Cochlodina laminata ''Cochlodina laminata'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.MolluscaBase eds. (2020). MolluscaBase. Cochlodina A. Férussa ...

'' ( Montagu, 1803) - with the subspecies ''laminata'' and ''pardita'' (Westerlund, 1892) * '' Dobatia goettingi'' (Brandt, 1961) * '' Euxina circumdata'' (Pfeiffer, 1848) * '' Euxina persica paulhessei'' (Lindholm, 1925) * '' Galeata schwerzenbachii'' (Pfeiffer, 1848) * '' Idyla castalia boschi'' Nordsieck, 1973 * '' Macedonica brabeneci'' Nordsieck, 1977 - with the subspecies ''brabeneci'' and ''prismatica'' Dedov, 2012 * '' Macedonica dobrostanica'' Irikov, 2012 * '' Macedonica hartmuti'' Irikov, 2003 * '' Macedonica frauenfeldi'' (Rossmässler, 1856) - with the subspecies ''regia'' Nordsieck, 1977, ''riedeli'' Urbański, 1977, ''sigma'' (Westerlund, 1884) and ''tau'' Nordsieck, 1977 * '' Macedonica marginata'' (Rossmässler, 1835) - with the subspecies ''marginata'', ''balcanica'' (Wagner, 1927), ''frivaldskyana'' (Rossmässler, 1839) and ''major'' (Rossmässler, 1839) * '' Macedonica martae'' Sajó, 1968 * '' Macedonica pinteri'' Sajó, 1968 * '' Macedonica pirinensis'' Jaeckel, 1954 * '' Macedonica zilchi'' Urbański, 1972 * '' Mentissela rebeli'' (Sturany, 1897) * '' Micridyla pinteri'' (Nordsieck, 1973) * '' Laciniaria bajula'' (Schmidt, 1868) - with the subspecies ''bajula'', ''lunella'' Nordsieck, 1973 and ''mursalicae'' (Urbański, 1969) * '' Laciniaria macilenta'' (Rossmässler, 1842) * '' Laciniaria plicata'' (Draparnaud, 1801) - with the subspecies ''plicata'', ''kueprijae'' Nordsieck, 1973 and ''rhodopendsis'' Nordsieck, 2008 * '' Ruthenica filograna'' (Rossmässler, 1836) * '' Serrulina serrulata'' (Pfeiffer, 1847) * '' Vestia ranojevici ranojevici'' (Pavlović, 1912) * '' Vestia roschitzi'' (Brancsik, 1890) - with the subspecies ''neubertiana'' Dedov, 2010, ''nordsieckiana'' (Urbański, 1979) and ''trigonostoma'' (Pavlović, 1912)

Achatinidae Achatinidae (New Latin, from Greek "''agate''") is a family of medium to large sized tropical land snails, terrestrial pulmonate gastropod mollusks from Africa. Well known species include ''Achatina achatina'' the Giant African Snail, and ''Lis ...

* '' Rumina decollata'' (Linnaeus, 1758)

Ferussaciidae Ferussaciidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Achatinoidea. MolluscaBase eds. (2020). MolluscaBase. Ferussaciidae Bourguignat, 1883. Accessed through: World Register of Marine ...

* ''

Cecilioides acicula ''Cecilioides acicula'', common name the "blind snail" or "blind awlsnail", is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Ferussaciidae. This is a subterranean species. Desc ...

'' (O. F. Müller, 1774) * '' Cecilioides jani'' (De Betta et Martinati, 1855) * '' Cecilioides spelaeus'' (A. J. Wagner, 1914)

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. Genera within the family Discidae include: * ''Anguispira'' Morse, ...

* '' Discus perspectivus'' (Megerle von Mühlfeld, 1816) * ''

Discus rotundatus ''Discus rotundatus'', common name rotund disc, is a species of small, air-breathing, land snail, a terrestrial pulmonate gastropod mollusk in the family Discidae, the disk snails. Description The shells of ''Discus rotundatus'' in the adult st ...

'' (O. F. Müller, 1774) * '' Discus ruderatus'' (Férussac, 1821)

Helicodiscidae Helicodiscidae is a family of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Punctoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Genera Genera within the family i ...

* '' Lucilla singleyana'' (Pilsbry, 1889)

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

* ''

Punctum pygmaeum ''Punctum pygmaeum'' is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails. Shell description For terms see gastropod shell. The shell is very small, 1.2-1. ...

'' (Draparnaud, 1801)

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

* '' Euconulus fulvus'' (O. F. Müller, 1774)

Gastrodontidae Gastrodontidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Gastrodontoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). MolluscaBase eds. (2020). MolluscaBase ...

* '' Aegopinella pura'' (Alder, 1830) * '' Aegopinella minor'' (Stabile, 1864) * '' Aegopinella nitens'' (Michaud, 1831) * '' Perpolita hammonis'' (Strøm, 1765) * ''

Zonitoides nitidus ''Zonitoides nitidus'' (sometimes ''Zonitoides nitida'') is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Gastrodontidae. ''Zonitoides nitidus'' is the type species of the genus '' Zonito ...

(O. F. Müller, 1774)

Oxychilidae Oxychilidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Gastrodontoidea. Distribution The distribution of Oxychilidae includes the Nearctic, western-Palearctic, eastern-Palear ...

* '' Carpathica bielawskii'' Riedel, 1963 * '' Carpathica stussineri'' (Wagner, 1895) * '' Daudebardia brevipes'' (Draparnaud, 1805) * ''

Daudebardia rufa ''Daudebardia rufa'' is a species of air-breathing land snail or semi-slug, a terrestrial pulmonate gastropod mollusk in the family Oxychilidae, which belongs to the limacoid clade. ''Daudebardia rufa'' is the type species of the genus ''Daudeba ...

'' (Draparnaud, 1805) * '' Daudebardia wiktori'' Riedel, 1967 * '' Mediterranea depressa'' (Sterki, 1880) * '' Mediterranea inopinatus'' (Uličný, 1887) * '' Mediterranea hydatina'' (Rossmässler, 1838) * '' Morlina glabra'' (Rossmässler, 1835) * '' Morlina urbanskii'' (Riedel, 1963) * '' Oxychilus deilus'' (Bourguignat, 1857) * ''

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 ...

'' (Beck, 1837) * '' Oxychilus translucidus'' (Mortillet, 1854) * '' Schistophallus camelinus'' (Bourguignat, 1852 * '' Schistophallus investigatus'' (Riedel, 1993) Vitrea vereae shell

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 ...

* '' Vitrea contracta'' (Westerlund, 1871) * '' Vitrea diaphana'' (Studer, 1820) * '' Vitrea neglecta'' Damjanov and Pintér, 1969 * '' Vitrea pygmaea'' (O. Boettger, 1880) * '' Vitrea riedeli'' Damjanov and Pintér, 1969 * ''Vitrea'' cf. ''sturanyi'' (Wagner, 1907) * '' Vitrea subrimata'' (Reinhardt, 1871) * '' Vitrea transsylvanica'' (Clessin, 1877) * '' Vitrea ulrichi'' Georgiev & Dedov, 2014 * '' Vitrea vereae'' Irikov, Georgiev & Riedel, 2004 * '' Spinophallus uminskii'' (Riedel, 1960)

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 (according to the taxonomy of the Gastropoda by Bouchet & Rocro ...

* ''

Milax parvulus Milax may refer to: *Milax, Azerbaijan Milax (also, Milakh) is a village and municipality in the Julfa District of Nakhchivan, Azerbaijan. It is located 55 km in the north from the district center, on the right bank of the Alinjachay River, ...

'' Wiktor, 1968 * ''

Milax verrucosus Milax may refer to: *Milax, Azerbaijan Milax (also, Milakh) is a village and municipality in the Julfa District of Nakhchivan, Azerbaijan. It is located 55 km in the north from the district center, on the right bank of the Alinjachay River, ...

'' Wiktor, 1969 * ''

Tandonia budapestensis ''Tandonia budapestensis'' is a species of air-breathing, keeled, land slug, a shell-less terrestrial gastropod mollusks in the family Milacidae.Marshall, B. (2014). Tandonia budapestensis (Hazay, 1880). Accessed through: World Register of Marine ...

'' (Hazay, 1881) * ''

Tandonia cristata ''Tandonia'' is a genus of air-breathing, keeled, land slugs. These are shell-less terrestrial gastropod mollusks in the family Milacidae. Distribution The distribution of the genus ''Tandonia'' includes Europe to North Africa and Asia Minor. ...

'' (Kaleniczenko, 1851) * '' Tandonia kusceri'' (H. Wagner, 1931) * '' Tandonia piriniana'' Wiktor, 1983 * '' Tandonia pinteri'' (Wiktor, 1975) * '' Tandonia serbica'' (Wagner, 1931) * '' Tandonia totevi'' (Wiktor, 1975)

Zonitidae Zonitidae, common name the true glass snails, are a family of mostly rather small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Zonitoidea. Zonitidae is the only family in the superfamily Zonitoidea. Th ...

* '' Balcanodiscus frivaldskyanus'' (Rossmässler, 1842)

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

* '' Deroceras agreste'' (Linnaeus, 1758) * ''

Deroceras bulgaricum ''Deroceras'' is a taxonomic genus of small to medium sized air-breathing land slugs in the family Agriolimacidae. Description Most species reach only 30–35 mm in length (max 45 mm). Coloration varies considerably within and ...

'' Grossu, 1969 * '' Deroceras bureschi'' (H. Wagner, 1934) * ''

Deroceras invadens ''Deroceras invadens'' is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusc in the family Agriolimacidae. Until 2011, this widely distributed species was known as ''Deroceras panormitanum'', and earlier as ''Derocera ...

'' Reise, Hutchinson, Schunack & Schlitt, 2011 * ''

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 ...

'' (O. F. Müller, 1774) * '' Deroceras pageti'' Grossu, 1972 * ''

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 ...

'' (Müller, 1774) * ''

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 the IUCN red list and therefore is not evaluated (NE) 2006 IUCN Re ...

'' (Simroth, 1894) * '' Deroceras thersites'' (Simroth, 1886) * '' Deroceras turcicum'' (Simroth, 1894) * '' Deroceras zilchi'' Grossu, 1969 * '' Krynickillus urbanskii'' (Wiktor, 1971)

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 distr ...

* ''

Limacus flavus ''Limacus flavus'', known commonly as the cellar slug, the yellow slug, or the tawny garden slug, is a medium to large species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Limacidae.MolluscaBase (2019). ...

'' Linnaeus, 1758 * ''

Limacus maculatus ''Limacus maculatus'', the green cellar slug or Irish yellow slug, is a species of slug native to the Caucasus and Black Sea coast. It has also been introduced to a number of northern European countries. In its introduced range the species is oft ...

'' (Kaleniczenko, 1851) * ''

Limax cinereoniger ''Limax cinereoniger'' is a large species of air-breathing land slug in the terrestrial pulmonate gastropod mollusk family Limacidae, the keelback slugs. This is the largest land slug species in the world. * ''

Limax conemenosi ''Limax'' is a genus of air-breathing land slugs in the terrestrial pulmonate gastropod mollusk family Limacidae. The generic name ''Limax'' literally means "slug". Some species, such as the leopard slug (''L. maximus'') and the tawny garden ...

'' Boettger, 1882 * ''

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 ...

'' Linnaeus, 1758 * '' Limax macedonicus'' Hesse, 1928 * '' Limax punctulatus'' Sordelli, 1870 * '' Limax subalpinus'' Lessona, 1880 * '' Lehmania brunneri'' (H. Wagner, 1931) * '' Lehmania horezia'' Grosu & Lupu, 1962 * '' Lehmania nyctelia'' (Bourguignat, 1861) * '' Malacolimax tenellus'' (O. F. Müller, 1774)

Boettgerillidae ''Boettgerilla'' is a genus of air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the family Boettgerillidae. The generic name ''Boettgerilla'' is named after the German malacologist Oskar Boettger. Taxonomy ''Boettger ...

* ''

Boettgerilla pallens ''Boettgerilla pallens'', common name the worm slug, is a European species of air-breathing land slug, a terrestrial molluscs, terrestrial pulmonate gastropod mollusk in the family Boettgerillidae. Distribution The type locality of ''Boettger ...

'' Simroth, 1912

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). MolluscaBa ...

* '' Eucobresia diaphana'' (Draparnaud, 1805) * ''

Oligolimax annularis ''Oligolimax annularis'' is a species of gastropods belonging to the family Vitrinidae Vitrinidae is a family of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Limacoidea (according to the t ...

'' (Studer, 1820) * '' Oligolimax reitteri'' (Boettger, 1880) * ''

Vitrina pellucida ''Vitrina pellucida'' is species of small land snail, a terrestrial pulmonate gastropod mollusk in the family Vitrinidae, the glass snails. Description This species is a 'semi-slug' with a flattened, globular shell. The animal is pale grey wi ...

'' (Müller, 1774)

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 fasciatus'' (Nilsson, 1822) * ''

Arion hortensis ''Arion hortensis'', also known by its common name the "garden slug", "small striped slug" or "black field slug" is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae, the roundback ...

'' Férussac, 1819 * ''

Arion intermedius ''Arion intermedius'' is a species of land slug in the family Arionidae, the roundback slugs. It is known commonly as the hedgehog slug,Arion silvaticus ''Arion silvaticus'' is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae. Description Note. In slugs it is often difficult to establish good criteria for identifying species using exte ...

'' Lohmander, 1937 * ''

Arion subfuscus ''Arion subfuscus'' is a species of land slug. It forms a species complex In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often un ...

'' (Draparnaud, 1805) * ''

Arion vulgaris The Spanish slug (''Arion vulgaris'', but also widely known as ''Arion lusitanicus'' owing to a misidentification) is an air-breathing land slug, a terrestrial molluscs, terrestrial pulmonate gastropod mollusc, mollusk in the family Arionidae, th ...

'' Moquin-Tandon, 1855

Camaenidae Camaenidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea, the typical snails and their allies. This is one of the most diverse families in the clade Stylommatophora. These ...

* ''

Fruticicola fruticum ''Fruticicola fruticum'' is a species of medium-sized, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Camaenidae. MolluscaBase eds. (2020). MolluscaBase. Fruticicola fruticum (Müller, 1774). Accessed throug ...

'' (O. F. Müller, 1774)

Helicodontidae Helicodontidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea Helicoidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks i ...

* '' Lindholmiola girva'' (Friveldszcky, 1835) * '' Lindholmiola pirinensis'' Jaeckel, 1954 * '' Soosia diodonta'' (Férussac, 1821)

Geomitridae Geomitridae is a Taxonomy (biology), taxonomic Family (biology), family of small to medium-sized air-breathing land snails, Terrestrial molluscs, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.MolluscaBase eds. (2021). M ...

* '' Candidula rhabdotoides'' (A. J. Wagner, 1927) * ''

Cernuella virgata ''Cernuella virgata'', also known as ''Helicella virgata'', common name, the "vineyard snail", is a species of small, air-breathing land snail, a pulmonate gastropod mollusc in the family Geomitridae.MolluscaBase eds. (2020). MolluscaBase ...

'' (Draparnaud, 1801) * '' Cernuella cisalpina'' (Rossmässler, 1837) * '' Cochlicella acuta'' (O. F. Müller, 1774) * '' Helicopsis striata'' (O. F. Müller, 1774) * '' '' (Jan, 1832)

Freshwater gastropods

Land gastropods

Freshwater bivalves

See also