Zoo Tycoon: Dinosaur Digs is an expansion pack for that adds many prehistoric creatures and prehistoric themed objects.
Dinosaurs:Tyrannosaurus Rex- Grassland Spinosaurus- Coniferous Forest Styracosaurus- Deciduous Floor Iguanodon- Deciduous Floor Giant Tortoise- Tundra Velociraptor- Coniferous Forest Ankylosaurus- Savannah Triceratops- Savannah Deinosuchus- Aquatic Apatosaurus- Deciduous Floor Caudiptery- Tropical Rainforest Allosaurus- Tropical Rainforest Coelophysis- Tropical Rainforest Herrerasaurus- Tropical Rainforest Plesiosaurus- Aquatic Stegosaurus- Coniferous Forest Kentrosaurus- Coniferous Forest Camptosaurus- Coniferous Forest Woolly Mammoth- Tundra Saber-toothed Cat- Tundra Woolly Rhinoceros- Tundra Lambeosaurus- Coniferous Forest Macrauchenia- Grassland Giant Ground Sloth- Grassland Gallimimus- Coniferous Forest Plateosaurus Loch Ness Monster
