Yang, C., Liu, A., Xu, Y., Xu, Y., Fan, X., Al-Farraj, S.A., Ni, B. and Gu, F. 2015. Phylogenetic positions of four hypotrichous ciliates (Protista, Ciliophora) based on SSU rRNA gene, with notes on their morphological characters . Zootaxa. 4000, 4 (Aug. 2015), 451–463. DOI:https://doi.org/10.11646/zootaxa.4000.4.4.