Pikaia Pikaia was one of the earliest members of the phylum Chordata – the category to which all animals with spinal cords belong. It swam close to the sea floor and may have been a filter feeder.
Drawing by Laura Fry. Courtesy National Museum of Natural History
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Mailing Address PO Box 37012 MRC 941 Washington, DC 20013-7012 202.633.3168 (tel.) 202.633.5347 (fax)
Delivery Address 470 L'Enfant Plaza, SW Suite 7103 Washington, DC 20024
