order Aepyorniformes vs Aepyorniformes

order Aepyorniformes and Aepyorniformes both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Aepyorniformes	Yes	No	No	No
Aepyorniformes	Yes	No	No	No

As nouns, order Aepyorniformes and Aepyorniformes are synonyms defined as:

order Aepyorniformes and Aepyorniformes: huge extinct flightless birds: elephant birds

order Aepyorniformes (noun)	Aepyorniformes (noun)
huge extinct flightless birds: elephant birds	huge extinct flightless birds: elephant birds