What is Chordata in biology?

Chordata. A phylum of the animal Kingdom comprising all the animals that have, at some stage in their life, a notochord (a hollow dorsal nerve cord), pharyngeal slits and a muscular tail extending past the anus. Includes the subphyla cephalochordata, urochordata, and vertebrata (vertebrates). read more

Chordata. A phylum of the animal Kingdom comprising all the animals that have, at some stage in their life, a notochord (a hollow dorsal nerve cord), pharyngeal slits and a muscular tail extending past the anus. read more

The chordates are named for the notochord, which is a flexible, rod-shaped structure that is found in the embryonic stage of all chordates and in the adult stage of some chordate species. It is located between the digestive tube and the nerve cord, and provides skeletal support through the length of the body. read more