Reference

Andreas Rodolfo Leitner, Wilhelm Foissner (1997): Taxonomic characterization of *Epicarchesium granulatum* (#Kellicott#, 1887) #Jankowski#, 1985 and *Pseudovorticella elongata* (#Fromentel#, 1876) nov. comb., two peritrichs (Protozoa, Ciliophora) from activated sludge – Europ. J. Protistol. – 33: 13 - 29.