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