Viviparus viviparus (Linnaeus, 1758) (fig. 3, 1)

Distribution. In Ukraine V. viviparus is registered in all natural regions (Anistratenko, Anistratenko, 2001) including the Transcarpathian Region (Zdun, 1960; Stadnichenko, Gyrin, 2011 b; Anistratenko et al., 2018). In the Transcarpathia the species is recently recorded in three localities 8, 12 and 15 (fig. 1, table 1).

Remarks. In the Transcarpathia V. viviparus occurs rarely at shallow zone in small rivers and in the floodplain reservoirs associating with macrophytes.