All Monsters (10)

• 20 HD Monsters in Basic Fantasy Role-Playing Game
  
• 20 HD Monsters in Old-School Essentials Classic Fantasy
  
• 20 HD Monsters in OSRIC
  
• Archelon - Cretaceous carnivore; a kind of gigantic turtle
  OSRIC
• Camarasaurus - Very common Jurassic herbivore
  OSRIC
• Golem, Bronze* - Ten-foot-tall bronze statue golem with molten metal interior
  BFRPG, OSE
• Kraken - Gigantic squid-like creatures that dwell in the deepest ocean depths and prey on ships
  OSRIC
• Phoenix - A magnificent firebird from the Outer Planes, often called "firebird" or "bennu bird"
  OSRIC
• Saurophaganax - Jurassic carnivore, may be just a very large allosaurus
  OSRIC
• Tyrannosaurus Rex - Great (over 20' tall), two-legged, predatory dinosaurs with huge jaws
  OSE