Chordata Taxonomy Browser

Phylum Chordata Kingdom Animalia - chordata The phylum Chordata consists of animals with a flexible rod supporting their dorsal or back sides The phylum name derives from the Greek root word chord- chordata An extensive vertebrate fossil record begins about 400 million years ago Embryological evidence places the phylum Chordata within the

chordata The Phylum Chordata is named for the stiffened rod that extends down the back, called a notochord Chordates have segmented external muscles, a an aorta below