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Redescriptions of Three Cyrtophorid Ciliates from Marine Biofilm, with Establishment of a New Genus, Wilbertella nov. gen. (Ciliophora: Cyrtophorida: Lynchellidae)
並列摘要
The morphology of live cells and the infraciliature of three marine cyrtophorid ciliates, Chlamydonellopsis calkinsi (Kahl, 1928) Blatterer et Foissner, 1990, Chlamydonella pseudochilodon (Deroux, 1970) Petz, Song et Wilbert, 1995 and Chlamydonella derouxi Song, 2003, collected from the coastal water off Qingdao, China, were investigated. An improved diagnosis of the little-known C. calkinsi is suggested: marine Chlamydonellopsis with asymmetrical oval body shape, 35-70× 20-40 μm in vivo, two rows of club-shaped protuberances on ventral side; 15-18 somatic kineties; two contractile vacuoles diagonally positioned; 12-15 nematodesmal rods, two micronuclei. Based on the Qingdao populations and previous descriptions, redefined diagnoses of C. pseudochilodon and C. derouxi are also supplied. A new genus Wilbertella nov. gen. is suggested: Lynchellidae with a distinct blank zone in left posterior of cell; perioral kineties in flattened Y-shaped; left kineties distinctly shortened, right kineties extending to posterior end; no distinct gap between left and right ciliary field. Two nominal species are transferred into this new genus: W. distyla (Wilbert, 1971) nov. comb. [basionym: Parachilodonella distyla Wilbert, 1971] and W. stricta (Deroux, 1976) nov. comb. [basionym: Chlamydonella stricta Deroux, 1976].
延伸閱讀
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