Genus: Unicellular; planktonic; cell body guadrangular, each corner drawn out and branched two times forming
2-3 short, thick projections; many chloroplasts disc-shaped, without pyrenoids
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:
Similar genus -->> Staurastrum;
Tetraedron;
Pseudostaurastrum lobulatum,
cell body μm long, 43 μm wide, L/W=,
x 640, a pond near Dedono-yu (hot spring), prefectural road route 215, Nishiwaga-machi (town), Iwate Pref., Japan, May 4, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
a pond near Dedono-yu (hot spring), prefectural road route 215, Nishiwaga-machi (town), Iwate Pref., Japan, May 4, 2007 by Y. Tsukii