What scientific suborder does the family Hyaenidae belong to?

Feliformia is correct because hyenas (family Hyaenidae) are “cat-like” carnivorans. Despite their doggy look and behavior, their skull and inner ear anatomy (notably a double-chambered auditory bulla) place them with cats, mongooses, and civets in the suborder Feliformia within the order Carnivora. They’re actually closer kin to mongooses than to dogs. Remember it this way: feliform = “feline-form,” and “Hyenas hang with cats.” The other options are from different branches—Caniformia (dog-like carnivorans), Haplorhini (a primate suborder), and Ciconiiformes (an order of birds). Fun fact: Hyaenidae includes the termite-eating aardwolf and the highly social spotted hyena, whose matriarchal clans add to their unique place among feliforms.