Genus: Two flagella of equal length inserted close together into an anterior papilla of variable shape usually directed anteriorly; chloroplast form variable; usually 2 contractile vacuoles; cell division producing 2-8 zoospores; sexual reproduction usually isogamous, anisogamy and oogamy known but rare; > 500 species, mostly fresh water (Illustrated Guide, 1985). A large chloroplast; stigma; a single nucleus; two contractile vacuoles anterior (Kudo, 1966).

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Pleiochloris: Chloroplast cup-shaped; pyrenoids many; nucleus anterior
C. deasonii = C. pyrenoidosa or C. cienkowskii ? 23 x 20 μm Tsukuba Ibaraki, 2000	C. deasonii = C. pyrenoidosa 21-22 x 17 μm Shimo-muneoka Shiki Saitama, 2004	C. deasonii = C. pyrenoidosa 20 x 18 μm Showa-machi g.p. Kasukabe Saitama, 2006	C. capensis 30 x 17 μm Yakusho-ji-ike p. Kosugi Toyama, 2002
C. capensis μm Ko-numa 1 Minakami Gunma, 2008	Chlamydomonas sp. 16 x 9 μm Hakkoda Gourd line Hakkoda mountain Aomori, 2004

Similar genus -> Chloromonas; Chlorococcum;

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