Species: Cell body broad ellipsoidal, up to 9 μm long, 4 μm wide;
papilla absent; stigma located at anterior half of the cell; a chloroplast lateral, with a pyrenoid;
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Chlamydomonas sagittula Skuja ?? (Chlorogoniella),
cell body elongated ellipsoidal, 10 μm long, 2.5-3 μm wide,
pyrenoid located at anterior half of the cell, stigma anterior,
x 640, near Kumagaya oh-hashi (large bridge), Ara-kawa (river), Kumagaya city, Saitama Pref., Japan, February 29, 2004 by Y. Tsukii
94 μm; x 640