Archelon
Transcribed 'Dinosaurs' (actually: all aquatic prehistoric animals, or Primitives - Prims) from 'Stormwrack'.
Archelon, Ichthyosaur, Mosasaur, and Plesiosaur are presented here:
ARCHELON
Huge Animal
Hit Dice: 12d8+84 (138 hp)
Initiative: –2
Speed: 10 ft. (2 squares), swim 20 ft...