hystricomorph
/ (hɪˈstraɪkəʊˌmɔːf) /
noun
any rodent of the suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas
adjective Also: hystricomorphic (hɪˌstraɪkəʊˈmɔːfɪk)
of, relating to, or belonging to the Hystricomorpha
Word Origin for hystricomorph
C19: from Latin
hystrix porcupine, from Greek
hustrix