ptero Prefix before dactyl Wing, in combinations Wing opening Wing formation? Prefix with -dactyl Natural history museum prefix Lead-in to dactyl Dinosaur's head? Dactyl starter Dactyl opening "Wing" prefix Wing: Prefix Prefix with dactyl Feather: Prefix Wing: Comb. form Beginner for dactyl Wind: Prefix Dactyl's precursor Feather: Comb. form Prefix for dactyl Start of a prehistoric creature's name Prefix meaning "wing"