Reference

Wilhelm Foissner (1996): Updating the trachelocercids (Ciliophora, Karyorelictea). II. *Prototrachelocerca* nov. gen. (Prototrachelocercidae nov. fam.), with a redescription of P*. fasciolata* (#Sauerbrey#, 1928) nov. comb. and *P. caudata* (#Raikov & Dragesco#, 1966) nov. comb. – Europ. J. Protistol. – 32: 336 - 355.