Phosphatocopida

(from the article `crustacean`) ...than 2,000 living species worldwide.†Order BradoriidaCambrian to Ordovician.†Order PhosphatocopidaCambrian; remarkable fossils with up to 9 pairs ...
Found on http://www.britannica.com/eb/a-z/p/59

Phosphatocopida

Phosphatocopida is an order of extinct arthropods closely related to crown-group crustaceans ==Phylogeny== ...
Found on http://en.wikipedia.org/wiki/Phosphatocopida
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