Nitzschia baicalangustior Lange-Bert. & Kulikovskiy in Lake Baikal: Hotspot of endemic diatoms II. Iconographia Diatomologica, 26: 118, t. 180, fig.1-23; t. 181, fig. 1-6; t. 182, fig. 1-5. 2015
Holotype:
Russian Federation, Lake Baikal, Bolshoi Ushkaniy Island, alt. 456 m, 20 Jul 1965, A.P. Skabitschewsky s.n. (IBIW: 15654m) Isotype:
Russian Federation, Lake Baikal, Bolshoi Ushkaniy Island, alt. 456 m, 20 Jul 1965, A.P. Skabitschewsky s.n. (SZCZ: 15654a)