title: Ancalagon
text: # Ancalagon
  
  Ancalagon may refer to:
  
  * Ancalagon the Black, a dragon from the works of J.R.R. Tolkien
  * Ancalagon (worm), a fossil genus of priapulid worms
  * Ankalagon saurognathus, a Paleocene mesonychid mammal, originally named Ancalagon and later renamed
  