original description
Nasonov, N. V. (1926). Sur quelques Turbellaires des environs du lac Baikal. <em>Comptes Rendus de l'Académie des Sciences de l'URSS.</em> 203-206.
page(s): 205–206 [details] Available for editors 
taxonomy source
Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 120 [details] Available for editors 
additional source
Nasonov, N. (1935). Uber den Heliotropismus der Turbellaria rhabdocoelida des Baikalsees. (Works of the Laboratory of Experimental Zoology and Morphology of Animals of the Academy of Sciences). Trav Lab Zool Exp Morph Anim, Leningrad., 4:195-204
page(s): 197 [details] Available for editors 
From editor or global species database
Taxonomic remark Was originally described as a forma, but should be considered a subspecies followin Art. 45.6 of ICZN. [details]
From editor or global species database