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Heliozoea: Centrohelida

 Raphidiophrys elegans
Hertwig & Lesser 1874 emend. Penard 1904

Raphidiophrys elegans Genus: Free-living; skeleton with or without coat; spicules included in a coat more or less visible; radial siliceous spicules; ordered spicules (Illustrated Guide, 1985). Mucilaginous envelope with spindle-shaped or discoidal spicules which extend normally outwards along pseudopodia (Kudo, 1966).
Species:

Raphidiophrys elegans Hertwig & Lesser 1874 emend. Penard 1904, cell body 75 μm wide, axopodia about 30-100 μm long, x 640, rice field near Oyomi marsh, Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum Sphaerastrum

Sphaerastrum fockei Greeff, cell body μm long, μm wide, x 640, Naruto town, Chiba Pref., Japan, September 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
Sphaerastrum fockei Sphaerastrum fockei Sphaerastrum fockei Sphaerastrum fockei Sphaerastrum fockei

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