Any of numerous amoeboid protozoans of the former phylum Rhizopoda, such as the radiolarians, characteristically having stiff thin pseudopods containing microtubules.
rhi·zop′o·dan (-zŏp′ə-dən) adj. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
|Noun||1.||rhizopodan – protozoa characterized by a pseudopod
protozoan, protozoon – any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
ameba, amoeba – naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion
foram, foraminifer – marine microorganism having a calcareous shell with openings where pseudopods protrude
testacean – any of various rhizopods of the order Testacea characterized by having a shell
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