Cretaceous from about 66 million years ago
Hell Creek Formation
South Dakota, USA
TWO MEDICINE FORMATION
Cretaceous 75 Million Years
Montana
Rebbachisaurus sp
Cretaceous 98 Million Years Old
Morocco
Jurassic 150 Million Years Old
Morrison Formation, Utah
T.REX HUMERUS BONE SECTION
Tyrannosaurus rex
Cretaceous 66 Million Years Old
Lance Creek Formation, Wyoming
T.REX ULNA BONE SECTION
Hell Creek Formation, South Dakota
Lance Creek Formation
Wyoming, USA