|  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). |