subphylum Craniata vs Craniata

subphylum Craniata and Craniata both are nouns.

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

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

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

Other synonyms of subphylum Craniata include subphylum Vertebrata, Vertebrata.

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