vespertilionid vs microbat

vespertilionid and microbat both are nouns.

Word	Noun	Adjective	Verb	Adverb
vespertilionid	Yes	No	No	No
microbat	Yes	No	No	No

As nouns, microbat is a hypernym of vespertilionid; that is, microbat is a word with a broader meaning than vespertilionid:

vespertilionid: a variety of carnivorous bat
microbat: typically having large ears and feeding primarily on insects; worldwide in distribution

Other hypernyms of vespertilionid include carnivorous bat.

vespertilionid (noun)	microbat (noun)
a variety of carnivorous bat	typically having large ears and feeding primarily on insects; worldwide in distribution