
Podonidae Mordukhai-Boltovskoi, 1968 The suborder Onychopoda is `one of the most morphologically distinctive groups of cladocerans`. They have only four pairs of legs, compared to five or six pairs in Ctenopoda and Anomopoda. Unusually among branchiopod crustaceans, Onychopoda share with Haplopoda the presence of segmented appendages, which are .....
Found on
http://en.wikipedia.org/wiki/Onychopoda

(from the article `branchiopod`) ...1 genus, Anchistropus, parasitic on Hydra; no larval stages; resting eggs enclosed in a special case or ephippium; worldwide in fresh water.Order ...
Found on
http://www.britannica.com/eb/a-z/o/21
No exact match found.