Radix (Peregriana) zazurnensis (Mozley, 1934)

Marinskiy, Vadim V., 2017, Checklist of the freshwater snails (Mollusca: Gastropoda) of Mongolia, Zootaxa 4317 (1), pp. 45-78 : 60

Radix (Peregriana) zazurnensis (Mozley, 1934)

( fig. 5 E )

Regional distribution. Radix zazurnensis waS found in Some SampleS collected in the KhoVd RiVer baSin, in the Ulaagchy Khar Nuur lake Situated in ZaVkhan Aimag ( LIN collection), and in the Nariyn-Gol RiVer (collection of ZhaltSanoVa). SitnikoVa et al. (2006) included it into their liSt of molluSkS of the HöVSgöl Lake.

Extra-limital distribution. The type locality of thiS SpecieS—Snezhnoye Lake—iS Situated in Buryatia, cloSe to the RuSSian-Mongolian border. R. zazurnensis iS widely diStributed in Siberia and the RuSSian Far EaSt ( VinarSki & Kantor 2016).

Morphology. Conchologically, R. zazurnensis much reSembleS R. lagotis and may repreSent a junior Synonym of the latter.

Figures

FIGURE 5. Shells of the lymnaeid snails discUssed in the paper (continUation). A— Limnaea auricularia morpha kosogolensis, a syntype (ZIN, leg. Mikhno, det. Lindholm). B— Radix obliquata (06.1978, Uvs NUUr Depression, an Unnamed lake, leg. Lobachev, ZIN). C— R. lagotis (01.08.2011, Khar NUUr Lake, UnknoWn collector, LIN). D— R. obliquata, shell spire, enlarged (19.07.2012, Khar Us NUUr Lake, leg. Vinarski). E— R. zazurnensis (21.07.1990, KhUrkh River in the Onon River basin, leg. DUlmaa, ZIN). F— Lymnaea nogoonica, the holotype (22.08.1978, a lake near Kosh-Agach settlement near the RUssian- Mongolian border, leg. Starobogatov, ZIN). G— L. tsalolikhini, the holotype (27.06.1978, a bay of the Nogoon Lake, leg. Tsalolikhin, ZIN). H— R. tumida (23.07.2012, branch of a river infloWing to the Airag NUUr Lake, leg. Vinarski). I— Orientogalba viridis (20.08.1976, Khovd River, leg. Zhaltsanova). J— O. hookeri (10.06.1987, Bayan NUUr Lake, 80 km E from the Uvs NUUr Lake, leg. Tsalolikhin, ZIN). K— R. kurejkae (27.06.1978, a bay of the Nogoon Lake, leg. Tsalolikhin, ZIN). Scale bars: 2 mm (A, C, E – K), 5 mm (B). All photos are original, except of I (photo made by Ivan Nekhaev).