The
dragon slain by the hero in
Dragonslayer.
Over 40 feet long, wingspan 90 feet. Built at Disney studios. Source:
"The Vermithrax Pejorative Story: Behind the Scenes at the Making of Dragonslayer", Margaret Ronan,
Weird Worlds, 1981.
Industrial Light and Magic did the animation (Cinefex 6, October 1981).
Vermis is Latin for worm or serpent.
Thrax is both Latin and Greek for Thrace.