Notes on Bithynia contortrix Lindholm 1909 (Caenogastropoda, Bithynidae) from the Lake Baikal Region

Аннотация

Data on the freshwater gastropod Bithynia contortrix Lindholm, 1909 are presented for Lake Baikal and the Barguzin River basin. The data include references to the records of the species in the literature and the results of the studies on the morphology of the shell, radula, and copulatory organ.