Dragon (Dragon Storm)

Dragons are large aerial predators of extraterrestrial origin which arrived on Earth during medieval times, their eggs being transported through space vacuum inside small asteroids. Dragons are fearsome predators, mostly due to their ability to breathe fire out of their mouths. They have a reptilian appearance and six limbs: four paws and two large wings.

Behind the scenes
Dragons have been portrayed as extraterrestrial beasts on considerably few occasions, the most notable certainly being the Sci-Fi Channel original movie Dragon Storm, by Stephen Furst.

The draconian design has been used as an inspiration for many extraterrestrial species, both sapient and non-sapient. For a list of examples go to Category:Dragon.