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

 Carteria globulosa
Pascher 1927

Carteria Species: Cell body spherical in shape, 8-12 μm in diam.; stigma present, anteriorly located; papillae absent; a small pyrenoid located at posterior end (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Similar tetra-flagellates -->> Zoospores of Geminella;

Carteria globulosa Pascher 1927 ?, cell body spherical, 12 μm in diam., flagella 19 μm long, x 640, Shishizuka, Tsuchiura city, Ibaraki Pref., Japan, July 2003 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
Carteria Carteria Carteria Carteria

cf.
C. moewusii Gerloff: 9-16 μm long, 5-8 μm wide; ellipsoidal to subcylindrical; chloroplast urn-shaped; pyrenoid laterial; stigma present (Illustrated Guide, 1985).

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