Radix (Radix) parapsilia Vinarski et Glöer, 2009

(Table 4; fig. 4 I)

Regional distribution. ShellS of SnailS correSponding to deScription of ShellS of Radix parapsilia giVen by VinarSki & Glöer (2009) were found by uS in SampleS from SeVeral localitieS Situated in northern and weStern partS of Mongolia. ThiS SpecieS waS earlier mentioned from the country by IzzatullaeV & StarobogatoV (1985) (aS Lymnaea psilia) and by Prokin (2014).

Extra-limital distribution. Radix parapsilia iS widely diStributed in Siberia and the RuSSian Far EaSt. It iS alSo known from Northern Europe (VinarSki & Glöer 2009; VinarSki & Kantor 2016).

Morphology. The SpecieS iS characterized by a relatiVely high Spire, moderately inflated body whorl and almoSt Straight tangent-line (See Fig. 4 I).