Genus: Cell body similar to Chloromonas, ellipsoidal, ovoid,
cylindrical, or spherical in shape; cellwall thick; one or two gelatinous sheath present; papilla mostly distinct,
domed or rounded (sometimes with tubular structures, flagella emerging from such tubes);
chloroplast cup-shaped or perforated; pyrenoids absent; stimga mostly present;
two apical contractile vacuoles present; two flagella emerging from different remote points on
apical cell surface; nucleus at/near the center of the cell body
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Species: |