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Issue: Vol. 1687 No. 1: 23 Jan. 2008
Type: Article
Published: 2008-01-23
DOI: 10.11646/zootaxa.1687.1.2
Page range: 35–50
Abstract views: 33
PDF downloaded: 1

Taxonomic studies on three marine species of Frontonia from northern China: F. didieri n. sp., F. multinucleata n. sp. and F. tchibisovae Burkovsky, 1970 (Ciliophora: Peniculida)

Laboratory of Protozoology, KLM, Ocean University of China, Qingdao 266003, China
Laboratory of Protozoology, KLM, Ocean University of China, Qingdao 266003, China
Zoology Department, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
Laboratory of Protozoology, KLM, Ocean University of China, Qingdao 266003, China
Laboratory of Protozoology, KLM, Ocean University of China, Qingdao 266003, China
Zoology Department, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
Laboratory of Protozoology, College of Life Science, South China Normal University, Guangzhou 510631, China
Zoology Department, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
Protozoa Peniculid ciliates Frontonia morphology and redescription new species

Abstract

The morphology and infraciliature of three marine ciliates, Frontonia didieri n. sp., F. multinucleata n. sp. and F. tchibisovae, isolated from northern China seas, were investigated using living observation and silver impregnation methods. Frontonia didieri n. sp. is recognized by: in vivo ca. 100–150 × 45–80 µm; 61–71 somatic, 3 vestibular and 3–5 postoral kineties; 4-rowed peniculus 1 and 2; peniculus 3 three-rowed; contractile vacuole centrally-located, with about eight conspicuous collecting canals. Frontonia multinucleata n. sp. is characterized by: 70–120 × 40–75 µm in vivo, dorsoventrally flattened about 2:1; 58–67 somatic, 3 vestibular and 4–5 postoral kineties; 3 peniculi each with 4 kineties; 2–4 globular macronuclear nodules; contractile vacuole located in posterior 1/3 of cell length. Based on both original and the Qingdao population, the poorly-defined Frontonia tchibisovae is redefined and a new diagnosis is supplied.

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