Reference

Weigou Liu, Shan Gao, C. Shao, J. Gong, Xiaofeng Lin, Hongyan Liu, Weibo Song (2009): Morphological studies and molecular data on a new marine ciliate, Apokeronopsis sinica n. sp. (Ciliophora: Urostylida), from the South China Sea – Zootaxa – 2005: 56 - 66.