Apocarchesium Ji & Kusuoka 2009

Ji & Kusuoka 2009. A description of Apocarchesium rosettum n. gen., n. sp. and a redescription of Ophrydium eichornii Ehrenberg, 1838, two freshwater peritrichous ciliates from Japan. European Journal of Protistology, 45(1), January 2009: 21-28