Protist Movie Database

Chlorophyta: Gamophyceae

Pleurotaenium trabecula
(Ehrenberg) Nägeli var. trabecula

Genus: Cell body long cylindroid; a slight constriction at center; cross section of the semicells spherical, slightly swell at the center but without a folded structure as Docidium; slightly tapered toward both ends, which are truncated and smooth or surrounded by granules or various small structures; laterally straight or wavy, with spiny projections in some species; 2-10 ribbon-like chloroplasts in each semicell; with many pyrenoids; a vacuole containing active granules at both ends same as in Closterium; cell wall mostly dotted, but with spines or other patterns in some species (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Vegetative cells cylindrical, L/W = 11-18, constricted at center, 260- (384-616) -660 μm long, 24- (25-45) μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).

Pleurotaenium trabecula, tape No. 0054, time code 0652, Japan, October, 1998 by Y. Tsukii

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