rotifera

The animal world, so far as true land-forms are concerned, is limited to types like the protozoa (lowest in the organic scale), rotifera and minute insect-like mites which lurk hidden away amongst the tufts of moss or on the under side of loose stones.

The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920

The rotifera were once supposed to be hermaphrodites, but the existence of sexes in one species has been clearly established.

The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand Ray Vaughn Pierce 1877

In the radiated forms of the rotifera, and the simple structure of the polypi rudes, we are reminded of the radiata.

Vestiges of the Natural History of Creation Robert Chambers 1836