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Chlorophyceae: Chlorococcales: Scenedesmaceae (or Dictyosphaeriaceae ?)

Pectodictyon pyramidale
Akiyama & Hirose

Pectodictyon Genus: Cells arranged three-dimentionally; cell body spherical or triangular pyramid in shape (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Colonies of 8 or 4 cells connected with each other by gelatinous filaments, daughter colonies form a complex colony of 64 or 16 cells; cell body triangular pyramid in shape, 8-12 μm in diam.; (Illustrations of The Japanese Fresh-water Algae, 1977).

Pectodyction pyramidale Akiyama & Hirose ?, colony 27 μm wide, x 640, near Ayu-kawa bridge, Motoyurugi, Fujioka city, Gunma Pref., Japan, December 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pectodictyon Pectodictyon Pectodictyon Pectodictyon

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