ultradolichocephalic

ul·tra·dol·i·cho·ce·phal·ic

(ŭl'tră-dol'i-kō-se-fal'ik),
Denoting a long skull, one with a cephalic index of less than 65.

ultradolichocephalic

An obsolete adjective referring to a long narrow skull with a cephalic index of less than 65, which is better expressed as dolichocephalic.