Trilobite (Arthropod)
Polypterus
Eusthenopteron (Lobe-Finned Fish)
Cladoselache (Shark)
Elasmosaurus (Plesiosaur)
Placochelys
Tylosaurus (Mosasaur)
Pteranodon (Pterosaur)
Dimetrodon (Synapsid)
Nothosaurus (Nothosaur)
Ankylosaurus
Triceratops (Three horned face)
Troodon (Bird-Hunter)
Archaeopteryx (Bird/Dinosaur)
Apatosaurus
Struthiomimus
Stegosaurus
Hallopus (Tree-Climber)
Parasaurolophus (Parasol)
Edmontosaurus (Duckbill)
Plateosaurus (Clam-Digger)
Kannemeyeria
Massospondylus
Corythosaurus
Diplodocus
Kritosaurus (Navajo)
Psittacosaurus (Parrot-Beak)
Tyrannosaurus Rex
Dimorphodon (Small Pterosaur)
Hypsilophodon
Brachiosaurus
Anchisaurus (Hopper)
Chasmosaurus
Camptosaurus
Oviraptor
Camarasaurus
Ceratosaurus (Hyena)
Iguanodon (concept art only)
Diatryma (In the video game only)
Gigantophis (In the video game only)