Definitions for "Chordata"
A comprehensive division of animals including all Vertebrata together with the Tunicata, or all those having a dorsal nervous cord.
A major phylum in the Kingdom Animalia. A chordate is characterized by the presence of a dorsal notochord at some stage of development and a dorsal hollow nerve chord. The phylum includes the subphyla Vertebrata, Cephalochordata, and Urochordata.
a division of animals including all those that have a notochord during some stage of their development e.g. fish, amphibians, reptiles, mammals, birds and sea squirts