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Heliozoea: Actinophryida

Actinosphaerium eichhornii
(Ehrenberg, 1840) Stein, 1857

Actinosphaerium Genus: Ectoplasm consists of large vacuoles in one or several layres; endoplasm with numerous small vacuoles; numerous nuclei; axopodia end in the inner zone of ectoplasm (Kudo, 1966).
Species: Cell body spherical, 200-1000 μm in diam.; ectoplasm vacuolated; endoplasm containing both granules and small vacuoles; several contractile vacuoles present; many nuclei located at the perphery of endoplasm.


Actinosphaerium sp. (Echinosphaerium), fed on Chlorogonium, x 100, x 200, x 400, Japan, 1997 by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200 : scale 50 μm scale 100 μm scale 150 μm; x 400
Actinosphaerium Actinosphaerium Actinosphaerium Actinosphaerium
Actinosphaerium Actinosphaerium Actinosphaerium


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