• WordNet 3.6
    • n Heliozoa mostly freshwater protozoa
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Century Dictionary and Cyclopedia
    • Heliozoa A name proposed by Hertwig and Lesser for the sun-animalcules, fresh-water organisms provided with radiolarian skeletons, and grouped by Huxley with the marine Radiolaria. Some divide them into three families, Actinophryidæ, Acanthocystidæ, and Clathrulinidæ. See Radiolaria.
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Chambers's Twentieth Century Dictionary
    • n Heliozoa hē′li-ō-zō′a a class of Protozoa of the Rhizopod type, with protruding processes of living matter.
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Chambers's Twentieth Century Dictionary
Gr. hēlios, the sun, zōon, an animal.


In literature:

This stage above the Amoeba is beautifully illustrated in the sun-animalcules (Heliozoa).
"The Story of Evolution" by Joseph McCabe
Their lower forms are closely allied to the Heliozoa and Acyttaria, whereas their higher forms rise far above them.
"The History of Creation, Vol. II (of 2)" by Ernst Haeckel