FIGURE 7 in Checklist of the freshwater snails (Mollusca: Gastropoda) of Mongolia

FIGURE 7. Shells of planorbid snails discUssed in the paper. A.—Gyraulus terekholicus (09.07.1996, Hövsgöl Lake, the Khankh River moUth, leg. Sitnikova). B—G. kruglowiae, a probable syntype (19.08.1936, Central Altai Mts., Ten'ga Lake, leg. Johansen; ZMMU). C—G. kruglowiae (29.03.1981, Tolbo NUUr Lake, leg. Zhaltsanova). D—G. infraliratus, a syntype (Siberia, Nizhny Imbatsk, det. WesterlUnd; NMG). E—G. infraliratus (10.06.2010, Nariyn gol River, leg. Palatov & Maryinskiy). F—G. stroemi (12.07.2012, a pool in the Khovd River floodplain, leg. Vinarski). G—Helicorbis kozhovi (07.05.1977, Khalkh River, leg. Zhaltsanova). H—Polypylis sibirica (23.08.1987, Tsagaan NUUr Lake, leg. DUlmaa; ZIN). Scale bars: 2 mm. Fig. D after Vinarski et al. (2013), slightly modified.