Entomostraca vs subclass Entomostraca

Entomostraca and subclass Entomostraca both are nouns.

Word	Noun	Adjective	Verb	Adverb
Entomostraca	Yes	No	No	No
subclass Entomostraca	Yes	No	No	No

As nouns, Entomostraca and subclass Entomostraca are synonyms defined as:

Entomostraca and subclass Entomostraca: in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use

Entomostraca (noun)	subclass Entomostraca (noun)
in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use	in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use