Chordata Paleontology Wiki

Chordata Definition & Meaning Merriam-Webster Medical chordata The list of species of Chordata phylum chordata Animals in the phylum Chordata share four key features that appear at some stage during their development: a notochord, a dorsal hollow nerve cord, pharyngeal

chordata Chordata , phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their