Abchasohela pachnodes (O. Boettger, 1884) (additional source)
Abchasohela pergranulata (Hausdorf, 2001) (additional source)
Abchasohela septentrionalis (Hausdorf, 2001) (additional source)
Abchasohela stephaniae (Hudec & Lezhawa, 1970) (additional source)
Acanthinula aculeata (O. F. Müller, 1774) (additional source)
Acicula bakanense Steklov, 1966 † accepted as Acicula parcelineata (Clessin, 1911) (source of synonymy)
Acicula limbata Reuss, 1861 † (basis of record)
Acicula moussoni O. Boettger, 1879 (basis of record)
Acrotoma baryshnikovi I. M. Likharev & Schileyko, 2007 (additional source)
Acrotoma claussi H. Nordsieck, 1977 (additional source)
Acrotoma gegika Suvorov, 2002 (additional source)
Acrotoma juliae Suvorov, 2002 (additional source)
Acrotoma komarowi (O. Boettger, 1881) (additional source)
Acrotoma laccata (O. Boettger, 1881) (additional source)
Acrotoma narzanensis (Rosen, 1901) (additional source)
Acrotoma semicincta (O. Boettger, 1881) (additional source)
Acrotoma tunievi Suvorov, 2002 (additional source)
Acusta ravida (W. H. Benson, 1842) (additional source)
Aegopinella epipedostoma (Fagot, 1879) (additional source)
Aegopinella minor (Stabile, 1864) (additional source)
Aegopinella nitens (Michaud, 1831) (additional source)
Aegopinella nitidula (Draparnaud, 1805) (additional source)
Aegopinella pura (Alder, 1830) (additional source)
Akramowskia akramowskii (I. M. Likharev, 1962) (additional source)
Akramowskia valentini (Loosjes, 1964) (additional source)
Alinda biplicata (Montagu, 1803) (additional source)
Alinda fallax (Rossmässler, 1836) (additional source)
Alinda stabilis (L. Pfeiffer, 1847) (additional source)
Ambigolimax valentianus (A. Férussac, 1821) (additional source)
Anatolya brevior (Mousson, 1876) (additional source)
Andronakia catenulata (Lindholm, 1913) (basis of record)
Angiomphalia almalensis Schileyko & Uvalieva, 1978 (basis of record)
Angiomphalia copiosa Schileyko, 1978 (basis of record)
Angiomphalia exasperata Schileyko & Uvalieva, 1978 (basis of record)
Angiomphalia regeliana (E. von Martens, 1882) (basis of record)
Angiomphalia seductilis (Westerlund, 1898) (basis of record)
Anoplitella antonwagneri (Lindholm, 1927) (additional source)
Anoplitella schaposchnikovi (Rosen, 1911) (additional source)
Archaica apollinis (E. von Martens, 1882) (basis of record)
Archaica chatkalica (Kuznetsov, 1996) (basis of record)
Archaica cumulata (Schileyko, 1978) (basis of record)
Archaica heptapotamica (Lindholm, 1927) (basis of record)
Archaica illuminata (Schileyko, 1978) (basis of record)
Archaica labianix Schileyko, 1978 (basis of record)
Archaica papanica Pazylov & Schileyko, 1992 (basis of record)
Archaica suspecta Schileyko & Moisseeva, 1989 (basis of record)
Argna bielzi (Rossmässler, 1859) (additional source)
Arianta arbustorum (Linnaeus, 1758) (additional source)
Arianta petrii (M. Kimakowicz, 1890) (basis of record)
Arion ater (Linnaeus, 1758) (additional source)
Arion circumscriptus G. Johnston, 1828 accepted as Arion fasciatus (Nilsson, 1823) (additional source)
Arion distinctus Mabille, 1868 (additional source)
Arion fasciatus (Nilsson, 1823) (additional source)
Arion hortensis A. Férussac, 1819 (additional source)
Arion rufus (Linnaeus, 1758) accepted as Arion ater rufus (Linnaeus, 1758) (additional source)
Arion sibiricus Simroth, 1902 (additional source)
Arion silvaticus Lohmander, 1937 accepted as Arion fasciatus (Nilsson, 1823) (additional source)
Arion subfuscus (Draparnaud, 1805) (additional source)
Arion vulgaris Moquin-Tandon, 1855 (additional source)
Armenica disjuncta armenica H. Nordsieck, 1975 (additional source)
Armenica gracillima (Retowski, 1889) (basis of record)
Armenica griseofusca (Mousson, 1876) (additional source)
Armenica likharevi H. Nordsieck, 1975 (additional source)
Armenica unicristata (O. Boettger, 1877) (additional source)
Armenica zakatalica H. Nordsieck, 1977 (additional source)
Balea perversa (Linnaeus, 1758) (additional source)
Batumica maiae (Hudec & Lezhawa, 1969) (additional source)
Bielzia coerulans (M. Bielz, 1851) (additional source)
Boettgerilla compressa Simroth, 1910 (additional source)
Boettgerilla pallens Simroth, 1912 (additional source)
Boreolestes likharevi Schileyko & Kijashko, 1999 (additional source)
Boreolestes sylvestris Kijashko, 1999 (additional source)
Brephulopsis bidens (Krynicki, 1833) (basis of record)
Brephulopsis cylindrica (Menke, 1828) (basis of record)
Brephulopsis subulata (Rossmässler, 1837) (additional source)
Candaharia aethiops (Westerlund, 1896) (basis of record)
Candaharia izzatullaevi I. M. Likharev & Wiktor, 1980 (additional source)
Candaharia levanderi (Simroth, 1902) (additional source)
Candaharia rutellum (T. Hutton, 1849) (additional source)
Carpathica boettgeri (Clessin, 1883) (additional source)
Carpathica calophana (Westerlund, 1881) (additional source)
Carychium cymatoplax Pilsbry, 1901 (basis of record)
Carychium lederi O. Boettger, 1880 (basis of record)
Carychium pessimum Pilsbry, 1901 (basis of record)
Carychium sibiricum Westerlund, 1897 (basis of record)
Caspicyclotus praesieversi Steklov, 1966 † accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (source of synonymy)
Caspicyclotus sieversi (L. Pfeiffer, 1871) (basis of record)
Caspilimax keyserlingi (E. von Martens, 1880) (additional source)
Caspiophaedusa perlucens (O. Boettger, 1877) (additional source)
Caucasicola raddei (Kobelt, 1880) (basis of record)
Caucasigena eichwaldi (L. Pfeiffer, 1846) (basis of record)
Caucasigena tschetschenica (Retowski, 1914) (basis of record)
Caucasocressa ibera Hausdorf, 2003 (additional source)
Caucasocressa joannis (Mortillet, 1854) (basis of record)
Caucasotachea atrolabiata (Krynicki, 1833) (additional source)
Caucasotachea atrolabiata calligera (Dubois de Montpéreux, 1840) (additional source)
Caucasotachea leucoranea (Mousson, 1863) (additional source)
Caucasotachea vindobonensis (C. Pfeiffer, 1828) (additional source)
Cecilioides acicula (O. F. Müller, 1774) (additional source)
Cecilioides raddei (O. Boettger, 1879) (additional source)