FIGURE 1 in Two new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from Siberia, with new data on Stygobromus pusillus (Martynov) and remarks on morphology and biogeographic relationships

FIGURE 1. Distribution of Stygobromus in Central Asia: (1) S. pusillus (Martynov) in the Biya River and Teletskoye Lake; (2) S. mikhaili n. sp. in the Chuya River basin; (3) S. anastasiae n. sp. in the Angara River basin; (4) S. kazakhstanica Kulkina in the Chernaya River basin.