Vertebrata vs subphylum Vertebrata

Vertebrata and subphylum Vertebrata both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vertebrata	Yes	No	No	No
subphylum Vertebrata	Yes	No	No	No

As nouns, Vertebrata and subphylum Vertebrata are synonyms defined as:

Vertebrata and subphylum Vertebrata: fishes, amphibians, reptiles, birds, mammals

Other synonyms of Vertebrata include Craniata, subphylum Craniata.

Vertebrata (noun)	subphylum Vertebrata (noun)
fishes, amphibians, reptiles, birds, mammals	fishes, amphibians, reptiles, birds, mammals