Choanomphalus mongolicus Kozhov, 1946

(fig. 6 H)

Choanomphalus mongolicus iS a SpecieS endemic to Mongolia. It inhabitS the HöVSgöl Lake and iS not found elSewhere (SitnikoVa 1999). We Studied SeVeral tenS of SpecimenS of thiS Snail from LIN collection. ItS detailed morphological deScription accompanied by data on Shell Variation iS preSented in SitnikoVa (1999) and SitnikoVa et al. (2006).