Achnanthidium exile (Kützing) Heiberg, 1863 accepted as
Achnanthes exilis var. exilis Kützing, 1833 (new combination reference)
Karayevia clevei (Grunow) Round & Bukhtiyarova, 1999 (new combination reference)
Planothidium F.E. Round & L. Bukhtiyarova, 1996 (original description)
Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as
Achnanthidium delicatulum f. delicatulum Kützing, 1844 (new combination reference)
Planothidium engelbrechtii (Cholnoky) Round & L.Bukhtiyarova, 1996 accepted as
Achnanthes engelbrechtii var. engelbrechtii Cholnoky, 1955 (new combination reference)
Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (new combination reference)
Rossithidium F.E. Round & L. Bukhtiyarova, 1996 (original description)