Chordata, Nonvertebrate
Synonyms
Chordatas, Nonvertebrate
Chordate, Invertebrate
Chordates, Invertebrate
Invertebrate Chordate
Invertebrate Chordates
Nonvertebrate Chordata
Nonvertebrate Chordatas
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.