All Monsters (5)

• 24 HD Monsters in Basic Fantasy Field Guide Omnibus
  
• 24 HD Monsters in OSRIC
  
• Dinosaur, Cetiosaurus - Large sauropod dinosaur with heavy body, elephantine legs, and long neck and tail
  Field Guide
• Dinosaur, Diplodocus - Longest member of the sauropod family with heavy body, elephantine legs, and long neck and tail
  Field Guide
• Leviathan - Huge fish that may originate from the deepest oceans or the Elemental Plane of Water
  OSRIC