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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 4519

Xiaofeng Lin, Yantao Qiu, Xiaozhong Hu, Jun Gong, Honggang Ma, and Weibo Song; [Morphological Studies on Oxytricha ferruginea (Ciliophora, Hypotrichida) and Comparison with Several Related Species]. Journal of Ocean University of Qingdao 32(2):219-223, 2002

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The morphology and infraciliature of a hypotrichous ciliate, Oxytricha ferruginea Stein, 1859, collected from a freshwater pond in the Baihua Park in Qingdao, China, were investigated and observed by protargol impregnation method. The results showed the following characteristics: body elongated elliptical in outline, yellow-brownish in color, with rusty cortical granules; adoral zone of membranelles composed of 30~40 membranelles; constantly 1 caudal cirrus and 5 dorsal kineties; contractile vacuole in standard position and with two collecting canals; fronto-ventro-transverse cirri arranged in 8:5:5 mode. Compared with other related species, Oxytricha aeruginosa Wrzesniowskiego, 1866 was probably conspecific with this species.