Radix (Radix) parapsilia Vinarski et Glöer, 2009

Marinskiy, Vadim V., 2017, Checklist of the freshwater snails (Mollusca: Gastropoda) of Mongolia, Zootaxa 4317 (1), pp. 45-78 : 57-58

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).

Figures

FIGURE 4. Shells and genitalia of the lymnaeid snails discUssed in the paper. A— Lymnaea stagnalis (31.07.1982, floodplain of the Orkhon River, leg. Mikhailov). B— L. stagnalis (15.07.2012, Chono-Khoraikhgol River, leg. Vinarski). C— Ladislavella terebra (31.07.1982, floodplain of the Orkhon River, leg. Mikhailov). D, E— Galba sibirica (19.07.2012, Teellin-gol River, leg. Vinarski). F— G. truncatula, the copUlatory apparatUs (25.02.2010, Abkhazia, Gagra District, Wet shore of Inkit Lake, leg. Palatov). G – Radix auricularia (19.07.2012, Teellin-gol River, leg. Vinarski). H— Radix bactriana (13.07.2012, Khar Us NUUr Lake, leg. Vinarski). I— R. parapsilia (09.06.2009, Khovd River, leg. Maryinskiy). J— R. mongolica (13.07.2012, Khar Us NUUr Lake, leg. Vinarski). K— R. mongolica, a scalarid specimen (Hövsgöl Lake, leg. et det. Sitnikova, LIN). L— R. balthica (20.07.1967, Khar Dorgon NUUr Lake, leg. Zhaltsanova). M— R. intermedia, a paralectotype of Limnaea eversa (1877, Eter River near Dja-Dzassyk Monastery, leg. Potanin, ZIN). Scale bars 1 mm (E, F), 2 mm (C, I, J, K), 5 mm (A, B, G, H, L, M).