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Title: Redescription of a poorly known marine ciliate, leptoamphisiella vermis gruber, 1888 n. g., n. comb. (Ciliophora, Stichotrichia, Pseudoamphisiellidae), from the yellow sea, China
Authors: LI, Liqiong
Song, Weibo
Al-Rasheid, Kahled A.S.
HU, Xiaozhong
Al-Quraisy, Saleh A.
Keywords: Infraciliature
New combination
New genus
Issue Date: 2007
Publisher: The International Society of Protistologists
Citation: The Journal of Eukaryotic Microbiology: 54 (6); 527-534
Abstract: Leptoamphisiella vermis Gruber, 1888 n. g., n. comb. (basionym Epiclintes vermis Gruber, 1888) is an extraordinarily large and worm-like marine stichotrichous ciliate. Based on a population isolated recently from coastal waters of Qingdao, China, the living morphology and infraciliature are redescribed and its taxonomic position is defined. Accordingly, a new diagnosis for this species is suggested: large, marine Leptoamphisiella with a conspicuous layer of pellicular alveoli; 400–1000 mm 40–70 mm in vivo; body bandlike, highly flexible; about 40 membranelles; always three frontal and two buccal cirri; 52–80 transverse cirri (TC) extending to the posterior end of the buccal field; 57–79 left midventral and 44–62 right midventral cirri; 62–102 cirri in left and 63–91 cirri in right marginal rows (MR); 9–13 dorsal kineties that extend the full body length; about 100 macronuclear nodules and 5–13 micronuclei. The diagnosis for the new genus is as follows: vermiform Pseudoamphisiellidae with strongly contractile body, differentiated frontal, buccal, and highly developed TC; two remarkably separated midventral rows; one MR on each side of the body; frontoterminal and caudal cirri absent. Leptoamphisiella vermis n. comb. is fixed as the type species of the new genus.
Description: a) Laboratory of Protozoology, Ocean University of China, Qingdao 266003, China, and b) Zoology Department, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia.
URI: 10.1111/j.1550-7408.2007.00294.x
ISSN: 1550-7408
Appears in Collections:College of Science

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