original description
Timm V. (1984). Малакофауна некоторых водоемов Эстонии [= Malacofauna of some waterbodies of Estonia]. <em>Biologicheskiye osobennosti malykh ozior Estonii. Tallinn: The Estonian SSR Academy of Sciences.</em> p. 41–59. [details]
From editor or global species database
Nomenclature A replacement name for Euglesa difficilis Pirogov & Starobogatov, 1975 non Popova & Starobogatov, 1970 [details]