Descriptions of five species of suctorid ciliate protozoa first recorded in Chinese freshwater (Ciliophora, Kinetofragminophora, Suctorida)

This paper describes five species of freshwater suctorid ciliates, which were collected from the Dongting Lake in Yueyang City, Hunan Province in May 2004 and a ditch of Moshui Lake in Wuhan City, Hubei Province, Sep. 2005. All species are first records to China: Discophrya cothurnata (Weisse, 1847-48) Lachmann, 1859; Discophrya robusta Nozawa, 1938; Metacineta macrocaulis (Stokes, 1887) Matthes, 1954; Heliophrya rotunda (Hentschel, 1916) Matthes, 1954; Tokophrya bengalensis Ghosh, 1929. Based on the morphological characteristics, all species mentioned above were observed in vivo and using light microscopical method