Green~Blue crest: Scientific name: Saurolophus Angustirostris Name meaning: Narrow-Snouted Crested Lizard Size: 13m/43ft long, 4.5m/15ft tall, 9979kg/11Tons Time period: Maastrichtian, 70 MYA (Late Cretaceous) Fossil location: Gobi Desert, Mongolia. Orange crest: Scientific name: Saurolophus Osborni Name meaning: Osborn's Crested Lizard Size: 9.1m/30ft long, 3m/10ft tall, 2721kg/3Tons Time period: Maastrichtian, 69 MYA (Late Cretaceous) Fossil location: Alberta, Canada. These models are free to use as long as you add credit. Left Click or Any Key to Roar