Genus: Planktonic; colony of 4 cells; cell body spherical, covered with elongated spiny projections;
cells attached with each other arranging cruciform on a plane, with a small space at the center of the colony;
a single chloroplast plate-like, with a pyrenoid
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Yakebe-ike (pond), Sayama park, Higashi-Murayama city, Tokyo, Japan, February 11, 2006 by Y. Tsukii
