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(Animals) any protozoan of the phylum Actinopoda, such as a radiolarian or a heliozoan, having stiff radiating cytoplasmic projections
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|Noun||1.||actinopod - protozoa having stiff rodlike radiating pseudopods|
heliozoan - protozoa with spherical bodies and stiff radiating pseudopods
radiolarian - protozoa with amoeba-like bodies and radiating filamentous pseudopods