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Chlorophyceae: Chlamydomonadales (Volvocales): Chlamydomonadaceae
Volvocida: Chlamydomonadina: Chlamydomonadidae

 Chloromonas nasus
(Pascher) Gerloff et Ettl in Ettl 1970

Chloromonas Genus: Similar to Chlamydomonas, but pyrenoids absent.
Species: Cell body 20-28 μm long, 8-11 μm wide (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).

Chloromonas nasus (Pascher) Gerloff et Ettl in Ettl 1970 ?? (or similar species), cell body 20 μm long, 14 μm wide, flagella 10 μm long (?), papilla present, small, conical (about 1.5 μm), x 640, Furu-tone river, Kasukabe city, Saitama Pref., Japan, February 15, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Chloromonas Chloromonas

Chloromonas maculata Korschikoff (Syn: Chamydomonas korschkoffii Pascher): Cell body spherical, 15-26 μm in diam.; 2 flagella approximately equal to cell-body length; papilla small, flat in shape; many chloroplast small plate-like, without pyrenoids; stigma elliptical; 2 contractile vacuoles at the base of flagella; nucleus located at the center of the cell body (Photomicrographs of the Freshwater Algae, vol. 17, 1996).

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