Gong, Song & Warren 2002. Redescriptions of two marine cyrtophorid ciliates, Dysteria cristata (Gourret and Roeser, 1888) Kahl, 1931 and Dysteria monostyla (Ehrenberg, 1838) Kahl, 1931 (Protozoa, Ciliophora, Cyrtophorida), from China. European Journal of Protistology, 38(3), October 2002: 213-222