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Chlorophyceae: Chlorococcales: Scenedesmaceae

 Scenedesmus verrucosus
Roll
Species name was changed from S. granulatus to S. verrucosus according to a comment from Dr. E. Hegewald
##S. verrucosus is recently transferred to Verrucodesmus verrucosus (Hegewald, E., Bock, C., & Krienitz, L., A phylogenetic study on Scenedesmaceae with the description of a new species of Pectinodesmus and the new genera Verrucodesmus and Chodatodesmus (Chlorophyta, Chlorophyceae), Fottea 13 (2): 149-164, 2013.

Scenedesmus 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:

Scenedesmus verrucosus Roll, similar to S. ecornis but small granules present at both ends of the cells, cell body ellipsoidal, 9-10 μm long, 5 μm wide, L/W=1.8-2.0, x 640, Mizumoto Park, Katsushika-ku, Tokyo, Japan, July 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus Scenedesmus

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