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Heliozoea: Centrohelida

 Sphaerastrum sp.
Greeff

Sphaerastrum Genus: Greater part of axopodia and cell body covered by a thick gelatinous mantle (Kudo, 1966).
Species:

Sphaerastrum sp., cell body 30 x 21 μm, gelatinous coat 5 μm in thickness, axopodia up to 65 μm long, x 640, Junichogata-suigo-koen (pond), Himi city, Toyama Pref., Japan, August 22, 2006, 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
Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum

Images of collecting locality: No. 3, Junichogata-suigo-koen (pond), Himi city, Toyama Pref., Japan, August 22, 2006, by Y. Tsukii

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