the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Rotifera > [noun] > member of
rotifer1777
wheel-animal1788
wheel-insect1800
wheel-animalcule1834
rotatory1835
rotator1854
rotatorian1861
wheel-bearer1861
1834 Lancet 24 May 290/2 We see in this wheel-animalcule, the hydatina senta, many of those muscular bands passing down longitudinally from the head, nearly as we saw in the large holothuria.