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Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium nematodes
Joshua var. proboscideum Turner

Closterium nematodes Genus: Cell body crescent in shape (long, curved, tapered at both ends); cross section rounded; cell wall smooth or with longitudinal lines, bands on the cell wall in some species; chloroplast laminae ridged and radially arranged, which makes cross section star-shaped; pyrenoids aligned or scattered (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:


Closterium nematodes Joshua var. proboscideum Turner ?, cell body 370 μm long, 32 μm wide, L/W=, x 200, x 400, x 640, No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Closterium nematodes Closterium nematodes
x 640
Closterium nematodes Closterium nematodes Closterium nematodes Closterium nematodes Closterium nematodes

Images of collecting locality: No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 22, 2006 by Y. Tsukii


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