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Heliozoea: Actinophryida

 Actinosphaerium sp.
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:

Actinosphaerium sp., ingesting Stentor sp., cell body spherical, μm in diam., x 200 & x 400, Japan, 1997 by Y. Tsukii
Actinosphaerium Actinosphaerium Actinosphaerium Actinosphaerium

Actinosphaerium sp. ingested Stentor sp., x 200 & x 400, by Y. Tsukii
Actinosphaerium

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