Liu, W., Li, J., Gao, S., Shao, C., Gong, J., Lin, X., Liu, H., & Song, W. (2009). Morphological studies and molecular data on a new marine ciliate, Apokeronopsis sinica n. sp. (Ciliophora: Urostylida), from the South China Sea. Zootaxa, 2005(1), 57–66. https://doi.org/10.11646/zootaxa.2005.1.5