Reference

Wilhelm Foissner, Jean Dragesco (1996): Updating the trachelocercids (Ciliophora, Karyorelictea). III. Redefinition of the genera *Trachelocerca* #Ehrenberg# and *Tracheloraphis* #Dragesco#, and evolution in trachelocercid ciliates – Arch. Protistenkunde – 147: 43 - 91.