Species:
Cell body broad ellipsoidal, 22-28.5 μm long, 18.5-24 μm wide;
a small and broad papillae present; length of flagella nearly the same as that of cell body;
chloroplast cup-shaped, filling whole cell body; stigma bar-shaped, located at equator or slightly anterior;
nucleus centrally located (or slightly anterior ?)
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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