Boshko, E. G. and Konstantynenko, L. A. (2009) “A new species of Pachytrocha Kent, 1882 (Ciliophora, Peritrichia: Vaginicolidae)”, Zootaxa. Auckland, New Zealand, 2198(1), pp. 61–66. doi: 10.11646/zootaxa.2198.1.6.