Species:
Cell body ellipsoidal or slightly ovoid, up to 9 μm long, 6 μm wide;
papilla as anterior hump; cellwall thin; flagella about 1.5 times longer than cell body;
chloroplast lateral, posterior part separated into two lobes;
a pyrenoid spherical, located lateral-central; stigma elliptical, located at anterior (at 1/3 of the cell body);
nucleus located at posterior
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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