Cymbella amphioxys var. asiatica Skvortzow, 1938 (original description)
Cymbella gracilis f. sphagnicola Skvortzow, 1938 (original description)
Cymbella perpusilla f. elongata Skvortzow, 1938 (original description)
Eunotia asiatica Skvortzow, 1938 (original description)
Eunotia asiatica var. interrupta Skvortzow, 1938 (original description)
Eunotia monodon f. bidens Skvortzow, 1938 (original description)
Gomphonema longiceps f. minuta Skvortzow, 1938 (original description)
Navicula cincta var. sphagnicola Skvortzow, 1938 (original description)
Navicula muscosa Skvortzow, 1938 (original description)
Pinnularia distinguenda var. sphagnalis Skvortzow, 1938 (original description)
Pinnularia divergentissima var. lata Skvortzow, 1938 (original description)
Pinnularia gibba f. polymorpha Skvortzow, 1938 (original description)
Pinnularia isostauron var. orientalis Skvortzow, 1938 (original description)
Pinnularia karelica var. subcapitata Skvortzow, 1938 (original description)
Pinnularia nobilis var. distincta Skvortzow, 1938 (original description)
Pinnularia sphagnicola Skvortzow, 1938 (original description)
Pinnularia subcapitata f. tenua Skvortzow, 1938 (original description)
Pinnularia viridis var. orientalis Skvortzow, 1938 (original description)