Reference

Erna Aescht [Wirnsberger], Wilhelm Foissner, Maria Mulisch (1991): Ultrastructure of the mycophagous ciliate *Grossglockneria acuta* (Ciliophora, Colpodea) and phylogenetic affinities of colpodid ciliates – Europ. J. Protistol. – 26: 350 - 364.