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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus carinatus
(Lemmermann) Chodat
Syn.: S. opoliensis Richter var. varinatus Lemmermann

Scenedesmus carinatus Genus: Colonies of 4 (or 2, 8, 16) cells attached side by side, arranged linearly or zigzag; cell body elliptical or spindle or crescent in shape; terminal cells with spiny projections in many species; cell wall usually smooth, but in some species granulated or dented or ridged (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Colonies of 4, 8 cells, arranging linearly; cell body elongated spindle-shaped, with distinct ridges on both sides, 12-28 μm long, 5-8 μm wide; outer cells with long spiny projections on both ends; inner cells with two dented projections on both ends (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species -->> S. carinatus;


Scenedesmus carinatus (Lemmermann) Chodat, cell body 18 μm long, 4 μm wide, L/W=4.5, spines 10-15 μm long, x 640, Showa-machi general park, Showa town, Saitama Pref., Japan, February 12, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus carinatus Scenedesmus carinatus

Images of collecting locality: Showa-machi general park, Showa town, Saitama Pref., Japan, February 12, 2006 by Y. Tsukii


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