Myxobacteriaceae vs family Polyangiaceae

Myxobacteriaceae and family Polyangiaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Myxobacteriaceae	Yes	No	No	No
family Polyangiaceae	Yes	No	No	No

As nouns, Myxobacteriaceae and family Polyangiaceae are synonyms defined as:

Myxobacteriaceae and family Polyangiaceae: bacteria living mostly in soils and on dung

Other synonyms of Myxobacteriaceae include family Myxobacteriaceae, Polyangiaceae.

Myxobacteriaceae (noun)	family Polyangiaceae (noun)
bacteria living mostly in soils and on dung	bacteria living mostly in soils and on dung