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Xanthophyceae: Mischococcales: Characiopsidaceae

 Characiopsis pyriformis
(A. Braun) Borzi (Ettl 1978)
(A. Braun) Borzí 1895 (John et al. eds. 2002)

Characiopsis Genus: Unicellular, attached on a substrate at one end of the cell; cell body slightly curved, ovoidal or cylidrical in shape; 1 or two chloroplasts plate-like, without pyrenoids (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body 12-24 μm long, 10-14 μm wide (Ettl, Xanthophyceae 1. Teil, Süßwasserflora von Mitteleuropa 3, 1978).
Similar genus -->> Characium; Chlorothecium;

Characiopsis pyriformis (A. Braun) Borzi (Characiopsidaceae, Mischococcales, Xanthophyceae) (or Peroniella planctonica G.M. Smith ?), cell body 23 μm long, 7 μm wide, x 640, Toneri Park, Adachi-ku, Tokyo, Japan, December 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
Characiopsis pyriformis Characiopsis pyriformis

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