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Comparison of some closely-related Metanophrys-taxa with description of a new species Metanophrys similis nov. spec. (Ciliophora, Scuticociliatida)

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The living morphology, infraciliature and silverline system of a marine scuticociliate Metanophrys similis nov. spec. have been observed and investigated. Based on both morphological and molecular biological data (using the random amplified polymorphic DNA fingerprinting method), several closely-related and easily confused taxa were compared. The diagnosis for this new taxon: slender marine Metanophrys with rounded cell ends and pre-equatorially positioned cytostome; in vivo 25–50 × 10–15 μm; 3-rowed membranelle 1 about as long as membranelle 2; paroral membrane extending anteriorly to about mid-level of membranelle 2; 11–12 somatic kineties; scutica with ca. 5–7 basal bodies arranged in a long line; extrusomes bar-like, aligned between somatic kineties; one caudal cilium and one macronucleus.

Keywords: Marine ciliates; Metanophrys similis nov. spec.; Scuticociliatida; morphology

Document Type: Original Article


Affiliations: Laboratory of Protozoology, MRL, College of Fisheries, Ocean University of Qingdao, 266003 Qingdao,P. R. China

Publication date: April 1, 2002


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