Rotifera (Wheel Animals)

Phylum Rotifera (wheel animals)

Wikipedia Entry

Approximate Number of Species: 1,800

Largest:  Asplanchna sieboldii at a length of  0.098 inches (2.5 mm)

Smallest:  Colurella tesselata at a length of  0.002 inches (0.055 mm)

Female Colurella tesselata from An illustrated online catalog of the Rotifera in the Academy of Natural Sciences of Philadelphia (version 1.0: 2003-April-8). URL http://rotifer.acnatsci.org/rotifer.php

References:

Higgins RP & Thiel H eds (1988) Introduction to the study of meiofauna (Smithsonian Institute Press, Washington, D.C.).

Brusca RC & Brusca GJ (2003) Invertebrates (Sinauer Associates, Inc., Publishers, Sunderland, MA) 2nd Ed.

Koste W (1978) Die Raedertiere Mitteleuropas (Borntraeger, Stuggart).