Rotatoria, also known as Rotifera, is a phylum of microscopic aquatic animals that are characterized by their ciliated crown-like structures used for movement and feeding. Some synonyms for this phylum are wheel animals, wheel animalscules and rotifers. These synonyms are derived from their distinctive circular, rotating motion and their diminutive size. Other colloquial synonyms include wheel bearers, wheel animalcules, and wheel animals. These descriptors emphasize the radial symmetry and unique qualities of these organisms. While Rotatoria may be a technical term used by biologists and researchers, these alternative terms can be useful in communication with non-experts or for creative writing purposes.