phylum Acanthocephala vs phylum

phylum Acanthocephala and phylum both are nouns.

Word	Noun	Adjective	Verb	Adverb
phylum Acanthocephala	Yes	No	No	No
phylum	Yes	No	No	No

As nouns, phylum is a hypernym of phylum Acanthocephala; that is, phylum is a word with a broader meaning than phylum Acanthocephala:

phylum Acanthocephala: phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms
phylum: (biology) the major taxonomic group of animals and plants; contains classes

phylum Acanthocephala (noun)	phylum (noun)
phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms	(biology) the major taxonomic group of animals and plants; contains classes
	(linguistics) a large group of languages that are historically related