enterobacteria vs eubacteria

enterobacteria and eubacteria both are nouns.

Word	Noun	Adjective	Verb	Adverb
enterobacteria	Yes	No	No	No
eubacteria	Yes	No	No	No

As nouns, eubacteria is a hypernym of enterobacteria; that is, eubacteria is a word with a broader meaning than enterobacteria:

enterobacteria: rod-shaped Gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals
eubacteria: a large group of bacteria having rigid cell walls; motile types have flagella

Other hypernyms of enterobacteria include eubacterium, true bacteria.

enterobacteria (noun)	eubacteria (noun)
rod-shaped Gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals	a large group of bacteria having rigid cell walls; motile types have flagella