Collection of the flat worms is represented by 287 lots of the cestods and by 80 units of the trematods. It was formed basically in the XIX century and in the beginning of XX century by materials obtained from Turkestan and Transcaucasian expeditions or purchased from Godefroi Museum and from K. Siebold. No new materials were obtained and no zoologists worked with the collection since 1921.
Collection of the turbellarians is represented by 19 lots only, of which 14 were obtained from von Graf in the XIX century, namely 31 specimens of 14 species from Java.