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Gamophyceae: Zygnematales: Desmidiaceae

Sphaerozosma granulata
Roy et Bisset var. granulata
-->> Teilingia granulata (Roy et Bisset) Bourrelly

Sphaerozosma excavatum Genus: Cell body flat, constricted at the center; semicells with two small projections at their apexes; cells connected with each other by the projections.
Species: Filaments not twisted; cells loosely connected to be separated; cell body 8.4-11 μm long, 7-10.8 μm wide, constriction 4-6 μm wide; semicells broad hexagonal in shape, apex slightly depressed, with two short projections to connect with adjacent cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar genus -->> Onychonema;

Sphaerozosma granulata Roy et Bisset var. granulata ?, cell body 9.5 μm long, 11 μm wide, L/W=, isthmus 5 μm wide, x 640, Obihiro-Hasshonochi (the birthplace of Obihiro) park, Obihiro city, Hokkaido, Japan, October 13, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Sphaerozosma granulata Sphaerozosma granulata Sphaerozosma granulata

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