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Heliozoea: Actinophryida

Actinophrys sol
Ehrenberg, 1830

Actinophrys Genus (Ehrenberg, 1830): Spheroidal; cytoplasm vacuolated, especially ectoplasm; nucleus central; one to many contractile vacuoles; axopodia straight, axial filaments terminate at surface of the nucleus (Kudo, 1966).
Species: Ectoplasm vacuolated; a large central nucleus; diameter average 40-50 μm (Kudo, 1966).


Actinophrys sol Ehrenberg, cell body spherical, 48 μm in diam., axopodia up to 40 μm long, x 640, a small dam at Ichinokawa (river) near Suwa-numa, Minami-yoshimi, Yoshimi town, Saitama Pref., Japan, March 25, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Actinophrys sol Actinophrys sol

Images of collecting locality: A small dam at Ichinokawa (river) near Suwa-numa, Minami-yoshimi, Yoshimi town, Saitama Pref., Japan, March 25, 2006 by Y. Tsukii


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