Species;Family;"No. of specimens";"Caspian endemic";"Pontocaspian endemic" "Theodoxus pallasi Lindholm, 1924";Neritidae;294;; "Ulskia ulskii (W. Dybowski & Clessin in W. Dybowski, 1888)";Hydrobiidae;19;x;x "Andrusovia brusinai Starobogatov, 2000";Hydrobiidae;39;x;x "Ecrobia cf. grimmi (Clessin in W. Dybowski, 1888)";Hydrobiidae;345;; "Clessiniola variabilis (Eichwald, 1838)";Hydrobiidae;4867;;x "Laevicaspia caspia (Eichwald, 1838)";Hydrobiidae;300;x;x "Laevicaspia cincta (Abich, 1859)";Hydrobiidae;174;x;x "Laevicaspia conus (Eichwald, 1838)";Hydrobiidae;1135;x;x "Laevicaspia kolesnikoviana (Logvinenko & Starobogatov in Golikov & Starobogatov, 1966)";Hydrobiidae;514;x;x "Laevicaspia vinarskii sp. n.";Hydrobiidae;9;x;x "Turricaspia andrussowi (B. Dybowski & Grochmalicki, 1915)";Hydrobiidae;3;x;x "Turricaspia ? dimidiata (Eichwald, 1838)";Hydrobiidae;1;x;x "Turricaspia lyrata (B. Dybowski & Grochmalicki, 1915)";Hydrobiidae;562;x;x "Turricaspia meneghiniana (Issel, 1865)";Hydrobiidae;248;x;x "Turricaspia pulla (B. Dybowski & Grochmalicki, 1915)";Hydrobiidae;186;x;x "Turricaspia pullula (B. Dybowski & Grochmalicki, 1915)";Hydrobiidae;1;x;x "Turricaspia ? spica (Eichwald, 1855)";Hydrobiidae;1420;x;x "Abeskunus brusinianus (W. Dybowski & Clessin in W. Dybowski, 1888)";Hydrobiidae;489;x;x "Valvata piscinalis (Müller, 1774)";Valvatidae;8;; "Esperiana esperi (Férussac, 1823)";Melanopsidae;1;; "Bithynia sp.";Bithyniidae;4;; "Lithoglyphus naticoides (Pfeiffer, 1828)";Lithoglyphidae;1;; "Anisus cf. spirorbis (Linnaeus, 1758)";Planorbidae;13;; "Planorbis cf. planorbis (Linnaeus, 1758)";Planorbidae;3;;