Species:
Cell body (cellwall) broad ellipsoidal or inverted ovoid, young cell ellipsoidal, 21-35 μm long, 18-32 μm wide;
cellwall distinct, consisting of several layers; protoplast ovoid or spindle-shaped, or somewhat irregular;
flagella about cell-body length, emerging through distinct tubular structure; chloroplast cup-shaped;
a pyrenoid spherical, located at posterior half of the cells; stigma small, at anterior 1/3 of the cell;
nucleus within the concave of chloroplast; two contractile vacuoles apical
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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31 μm
