6. Acentrella inexpectata (Tshernova 1928)
Pseudocloeon inexpectatum Tshernova, 1928 [imago female]
Pseudocloeon inexpectatum Tshernova, 1928 in Tshernova (1936) [imago female]
Pseudocloëon inexpectatum Tshernova, 1928 in Kazlauskas (1964) [imago male, larva]
Baetis (Acentrella) inexpectatum (Tshernova, 1928) in Novikova & Kluge (1987) [combination]
Acentrella inexpectata (Tshernova, 1928) in Jacob (1991) [combination]
Baetis (Acentrella) inexpectatum (Tshernova, 1928) in Kluge (1995) [lectotype designation]
Type locality: not specified in the original description. Lectotype designated by Kluge (1995) originate from the locality: Russia, Moskovskaia Guberniia [Province], Zvenigorodskii Uezd [District], Lutsinskoe peat bog.
Distribution: Eastern Europe from Russia and Belarus to the Ural Mountains (Kluge 1997), Slovakia (Soldán 1978).