Ladislavella (Ladislavella) terebra (Westerlund, 1885)

(fig. 4 C)

Regional distribution. We found two empty ShellS of Ladislavella terebra in ZMMU collection (Orkhon RiVer floodplain near Shamor Settlement in Northern Mongolia, 31.07.1982, leg. K.G. MikhailoV). It iS the firSt report of L. terebra from thiS country.

Extra-limital distribution. ThiS SpecieS iS widely diStributed in Siberia; it haS repeatedly been recorded from EaStern Europe under the name Lymnaea occulta (Jackiewicz, 1959) (See VinarSki 2012 for detailS). The Snail iS common in regionS of Southern Siberia adjacent to Mongolia (StarobogatoV & Streletzkaja 1967; ProzoroVa et al. 2009).