order Ephemerida vs Ephemerida

order Ephemerida and Ephemerida both are nouns.

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

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

order Ephemerida and Ephemerida: the order of mayflies or shadflies (Ephemeroptera, Ephemerida)

Other synonyms of order Ephemerida include Ephemeroptera, order Ephemeroptera.

order Ephemerida (noun)	Ephemerida (noun)
the order of mayflies or shadflies (Ephemeroptera, Ephemerida)	the order of mayflies or shadflies (Ephemeroptera, Ephemerida)