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

 Chlamydomonas nasuta
Korschikoff in Pascher 1927

Chlamydomonas 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).
Species:

Chlamydomonas nasuta Korschikoff in Pascher 1927, cell body 15-16 μm long, 13 μm wide, L/W=1.2, a nucleus at anteror half of the cell body, a pyrenoid posterior, x 640, drainage ditch near Sakitama-kofun park (Sakitama tumuli park), Gyoda city, Saitama Pref., Japan, March 11, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Chlamydomonas Chlamydomonas Chlamydomonas Chlamydomonas
Daughter cells 8 μm long, 5.5 μm wide, L/W=1.5, stigma at equator of the cell body, x 640
Chlamydomonas Chlamydomonas Chlamydomonas
Cell body 23 μm long, 20 μm wide, L/W=1.2, x 640
Chlamydomonas Chlamydomonas Chlamydomonas Chlamydomonas Chlamydomonas
Top view:
Chlamydomonas Chlamydomonas

Images of collecting locality: Drainage ditch near Gyodashi-sogo park (Gyoda general park), Gyoda city, Saitama Pref., Japan, March 11, 2006 by Y. Tsukii

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