Banding sequences of Ch. sokolovae from the Orkhon River, Mongolia. Arrows indicate centromeric band, sokA1, sokB1 and etc. – genotypic combinations of banding sequences in chromosome arms, Br – Balbiani rings, N – nucleous, p – puffs. sokA1.1. – mapped according to picture 2.51.2 by Kiknadze et al. (2016).