from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic phylum within the subkingdom Biciliata — the heliozoans.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. An order of fresh-water rhizopods having a more or less globular form, with slender radiating pseudopodia; the sun animalcule.
from The Century Dictionary and Cyclopedia
- 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. mostly freshwater protozoa
Sorry, no etymologies found.
Acanthocystis - Acanthocystis belongs to the class Heliozoa, or "sun animalcules."