botulinus vs eubacteria

botulinus and eubacteria both are nouns.

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

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

botulinus: anaerobic bacterium producing botulin the toxin that causes botulism
eubacteria: a large group of bacteria having rigid cell walls; motile types have flagella

Other hypernyms of botulinus include eubacterium, true bacteria.

botulinus (noun)	eubacteria (noun)
anaerobic bacterium producing botulin the toxin that causes botulism	a large group of bacteria having rigid cell walls; motile types have flagella