Family: Unicells; cell body spherical or broad ellipsoidal; chloroplasts 1 to several in number, cup-shaped or plate-like, reticulated or star-shaped; with or without pyrenoids; reproduction by autospores and zoospores; many species found in soil (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Unicellular, planktonic; cell body flat tri- or quadrangular in shape, with hairy projections at each point; a single chloroplast plate-like in shape, with a pyrenoid (Illustrations of The Japanese Fresh-water Algae, 1977).
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P. simplex
cell 5-13 μm
Ceske Stredohori Mt.
Czech Republic, 2001
Pseudococcomyxa ?
or Coccomyxa ?
7-11 x 2-4 μm
Japan, 2000
Pseudococcomyxa ?
or Coccomyxa ?
7-12 x 2-3 μm
Japan, 2001
Pseudococcomyxa ?
or Elakatothrix ?
6-9 x 2-3 μm
Otawara
Tochigi, 2000
Pseudococcomyxa ?
cell μm
Yamato
Kanagawa, 2003
Pseudococcomyxa ?
cell μm
City Museum
Iruma
Saitama, 2006
