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

 Carteria globosa
Korschikoff in Pascher 1927

Carteria Cell body spherical in shape, 18-28 μm in diam.; a single pyrenoid located at the center of the cell body; papillae absent; stigma and nucleus located anteriorly (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Similar tetra-flagellates -->> Zoospores of Geminella;

Carteria globosa Korschikoff in Pascher 1927 ?, cells nearly spherical, covered with gelatinous sheath, 21 μm long, 20 μm wide, 4 equal-length flagella, 27 μm long, a large chlroplast, anterior papilla absent ?, x 400, x 640, Karasu-ga-mori koen, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, January 2001 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640

Dividing cells

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