Chordata

Chordata are a Phylum of Kingdom Animalia and include the most advanced biological organisms. These organisms are marked notably by the presence of a notochord.

Characteristic Features

 * Posess Notochord
 * Have hollow dorsal nerve chord
 * Are bilaterally symmetrical
 * Have a coelom
 * Have a post anal tail (for at least some point in life)

Further Classification

 * Sub Phylum: Protochordata
 * Sub-Phylum: Verterbrata