Six species and subspecies of the Lecane genus: L. (s. str.) elsa, L. (s. str.) brachydactyla, L. (s. str.) luna balatonica, L. (s. str.) arcuata, L. (M) elachis, L. (M) cf. mologensis are found for the first time in the ...

Four representatives of the Testudinella genus: T. caeca, T. truncata ecornis, T. patina intermedia, T. emarginula are given first for the Ukrainian SSR fauna. Among them T. caeca was known in the USSR only in the Leningrad ...

The method of indices was used for diagnosing the species Lecane (Monostyla) lunaris and L.(M.) constricta. Biometrical constants of 6 out of 8 indices show a statisti­cally reliable difference between these species. From ...