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, 17 μm in diam., four flagella 23 μm long,
x 640, rice field, Shimo-muneoka, Shiki city, Saitama Pref., Japan, October 24, 2004 by Y. Tsukii
94 μm; x 640