When dinosaurs came with everything

hadrosaur   鸭嘴龙
triceratops 三角龙
stegosaurus 剑龙
ankylosaur  甲龙
duckbill    鸭嘴兽
velociraptor迅猛龙
pterosaur   冀龙
barosaurus  重龙
tyrannosaurus rex 霸王龙