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Chlorophyceae: Chlamydomonadales (Volvocales): Phacotaceae
Volvocida: Chlamydomonadina: Phacotidae

 Phacotus lenticularis
(Ehrenberg) F. Stein var. lenticularis 1878

Phacotus Genus: With two equal-length flagella, cell body within a test consisting of two cup-shaped parts; test surface hairly or granular; a single chloroplast cup-shaped, with a prenoid (Photomicrographs of the Freshwater Algae, 1998).
Species: (An illustrated guide to freshwater zooplankton in Japan, 2000).

Phacotus lenticularis, cell body μm long, μm wide, x 640, Showa-machi general park, Showa town, Saitama Pref., Japan, August 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Phacotus lenticularis Phacotus lenticularis Phacotus lenticularis

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