title: Distribution of the genus Volgonyx Marin et Palatov, 2021 (Crustacea: Amphipoda: Crangonyctidae) in groundwater habitats along the Lower Volga with a description of a new species
abstract: A detailed study of spring habitats in the eastern Volga Upland, located north of Saratov, was conducted to explore the ecology of representatives of the genus Volgonyx Marin et Palatov, 2021 (Crustacea: Amphipoda: Crangonyctidae).As a result, the known distribution area of Volgonyx dershavini (Behning, 1928) has been significantly expanded north to Ulyanovsk; the known area of distribution of this species currently extends along the right (upper) bank of the Lower Volga for more than 350 km.A n
journal: rej