Species: Cell body ovoid (slightly ellipsoidal), tapering to anterior end, posterior end rounded,
18-24 μm long, 12-22 μm wide; papilla dichotomous;
flagella about two times longer than the cell body; chloroplast with several incisions forming
radial lobe-like structure; a pyrenoid large, ellipsoidal or spherical, located at lateral-central or slightly
posterior; stigma large, at equator or slightly anterior; sexual reproduction by isogamy
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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50 μm
