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Heliozoea: Centrohelida

Raphidiophrys sp.
Archer, 1876

Sphaerastrum 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 sp., cell body 24 μm in diam., gelatinous matrix 8 μm in thickness, axopodia up to 80 μm wide, x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Sphaerastrum Sphaerastrum Sphaerastrum


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