Ancylus fluviatilis O. F. Müller, 1774 (additional source)
Buliminus (Napaeus) merdwenianus [sic] accepted as Peristoma merduenianum Krynicki, 1833 (basis of record)
Buliminus (Napaeus) umbrosus Mousson, 1873 accepted as Merdigera obscura (O. F. Müller, 1774) (original description)
Buliminus (Zebrina) hohenackeri (L. Pfeiffer, 1848) accepted as Georginapaeus hohenackeri (L. Pfeiffer, 1848) (basis of record)
Chondrus bayeri var. kubanensis Mousson, 1863 accepted as Chondrula tridens (O. F. Müller, 1774) (additional source)
Chondrus nucifragus (L. Pfeiffer, 1848) accepted as Euchondrus nucifragus (L. Pfeiffer, 1848) (basis of record)
Chondrus phasianus Mousson, 1861 accepted as Multidentula pupoides (Krynicki, 1833) (additional source)
Chondrus scapus var. destitutus Mousson, 1873 accepted as Pseudojaminia seductilis scapa (L. Pfeiffer, 1853) (original description)
Chondrus sieversi Mousson, 1873 accepted as Ljudmilena sieversi (Mousson, 1873) (original description)
Cionella (Ferussacia) lubrica (O. F. Müller, 1774) accepted as Cochlicopa lubrica (O. F. Müller, 1774) (basis of record)
Cionella (Ferussacia) pulchella Mousson, 1873 accepted as Cochlicopa lubricella (Porro, 1838) (original description)
Clausilia (Laciniaria) foveicollis Charpentier, 1852 accepted as Scrobifera taurica (L. Pfeiffer, 1848) (basis of record)
Clausilia (Laciniaria) index Mousson, 1863 accepted as Mucronaria index (Mousson, 1863) (basis of record)
Clausilia (Laciniaria) sandbergeri Mousson, 1873 accepted as Elia derasa (Mousson, 1863) (original description)
Clausilia (Serrulina) Mousson, 1873 accepted as Serrulina Mousson, 1873 (original description)
Clausilia (Serrulina) sieversi L. Pfeiffer, 1871 accepted as Serrulina sieversi (L. Pfeiffer, 1871) (basis of record)
Cyclostomus costulatus (Rossmässler, 1837) accepted as Pomatias rivularis (Eichwald, 1829) (basis of record)
Cyclotus sieversi L. Pfeiffer, 1871 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (basis of record)
Helix (Campylaea) narzanensis var. perlineata Mousson, 1873 (original description)
Helix (Campylaea) narzanensis var. solidior Mousson, 1873 accepted as Hesseola solidior (Mousson, 1873) accepted as Hesseola adshariensis (Lindholm, 1913) (original description)
Helix (Campylaea) pratensis L. Pfeiffer, 1846 accepted as Hesseola pratensis (L. Pfeiffer, 1846) (basis of record)
Helix (Fruticicola) aristata Krynicki, 1836 accepted as Euomphalia aristata (Krynicki, 1836) (basis of record)
Helix (Fruticicola) arpatschaiana Mousson, 1873 accepted as Diplobursa pisiformis arpatschaiana (Mousson, 1873) (original description)
Helix (Fruticicola) globula Krynicki, 1838 (basis of record)
Helix (Fruticicola) hispidus var. hispidosa Mousson, 1873 accepted as Pseudotrichia hispidosa (Mousson, 1873) (original description)
Helix (Fruticicola) pseudoglobula Mousson, 1873 (original description)
Helix (Iberus) dschulfensis [sic] accepted as Levantina bellardi (Mousson, 1854) (basis of record)
Helix (Tachea) atrolabiata Krynicki, 1833 accepted as Caucasotachea atrolabiata (Krynicki, 1833) (basis of record)
Helix (Tachea) atrolabiata var. lenkorana Mousson, 1873 accepted as Caucasotachea atrolabiata (Krynicki, 1833) (original description)
Helix (Tachea) atrolabiata var. repanda Mousson, 1873 accepted as Caucasotachea atrolabiata (Krynicki, 1833) (original description)
Helix (Vallonia) pulchella O. F. Müller, 1774 accepted as Vallonia pulchella (O. F. Müller, 1774) (basis of record)
Helix (Xerophila) derbentina (Krynicki, 1836) accepted as Xeropicta derbentina (Krynicki, 1836) (basis of record)
Hyalinia koutaisanus (Mousson, 1863) accepted as Oxychilus mingrelicus koutaisanus (Mousson, 1863) (basis of record)
Hyalinia petronella (L. Pfeiffer, 1853) accepted as Perpolita petronella (L. Pfeiffer, 1853) (basis of record)
Hyalinia petronella var. subnitidosa Mousson, 1873 (original description)
Limnaea (Gulnaria) confinis Mousson, 1873 (original description)
Limnaea (Gulnaria) podkumensis (Mousson, 1863) (basis of record)
Limnaea (Gulnaria) tenera (Küster, 1862) accepted as Radix tener (Küster, 1862) (basis of record)
Limnaea (Stagnicola) stagnalis var. gorktschaana Mousson, 1873 accepted as Lymnaea stagnalis (Linnaeus, 1758) (original description)
Limnaea palustris (O. F. Müller, 1774) accepted as Stagnicola palustris (O. F. Müller, 1774) (additional source)
Neritina liturata Eichwald, 1838 accepted as Theodoxus major Issel, 1865 (additional source)
Patula ruderata var. gorktschaana Mousson, 1873 (original description)
Planorbis carinatus O. F. Müller, 1774 (additional source)
Planorbis marginatus Draparnaud, 1805 accepted as Planorbis planorbis (Linnaeus, 1758) (additional source)
Planorbis sieversi Mousson, 1873 (original description)
Planorbis subangulatus R. A. Philippi, 1844 accepted as Planorbis philippii Germain, 1918 (additional source)
Pupa (Sphyradium) bifilaris Mousson, 1873 accepted as Sphyradium doliolum (Bruguière, 1792) (original description)
Pupa (Sphyradium) caspia L. Pfeiffer, 1871 accepted as Lauria sempronii (Charpentier, 1837) (basis of record)
Pupa signata Mousson, 1873 accepted as Gibbulinopsis signata (Mousson, 1873) (original description)
Vertigo sinuata Mousson, 1873 accepted as Vertigo antivertigo (Draparnaud, 1801) (original description)