Species:
Cell body spherical in shape, 18-28 μm in diam.;
a single pyrenoid located at the center of the cell body;
papillae absent; stigma and nucleus located anteriorly
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Carteria globosa Korschikoff in Pascher 1927 ?,
cell body spherical, 12-21 μm in diam., flagella 24 μm long,
a single large pyrenoid located at the center of the cell body, stigma at equatorial side,
x 640, a pond at Takezono-higashi park, Tsukuba city, Ibaraki Pref., Japan, October 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640