Chordata - ț̢
Phylum in the domain Eukarya, comprised of animals either with fully developed backbones (VERTEBRATES), or those with notochords only during some developmental stage (CHORDATA, NONVERTEBRATE).
Synonyms : Chordate
Chordata, Nonvertebrate - ț̢
A portion of the animal phylum Chordata comprised of the subphyla Cephalochordata, UROCHORDATA, and HYPEROTRETI, but not including the Vertebrata (VERTEBRATES). It includes nonvertebrate animals having a NOTOCHORD during some developmental stage.