Rotifera

Etymology
From.

Proper noun

 * 1) The rotifers, traditionally known informally as wheel animalcules because of their partly circular mouthparts fringed with continuously whirling cilia

Hypernyms

 * Eukaryota - superkingdom; Animalia - kingdom; Bilateria - subkingdom; Protostomia - infrakingdom; - superphylum

Hyponyms

 * , - classes