
Stan
Tyrannosaurus rex
Black Hills Institute of Geological Research, United States
Specimen Details
Discovery Year
1992
Discovery Location
Hell Creek Formation, South Dakota
Estimated Age
About 66 million years old
Completeness
65%
Length
11.5 m
Height
3.7 m
Nickname Origin
Named after Stan Sacrison, who discovered the skeleton.
Historical Significance
Stan became the most widely reproduced T. rex specimen, shaping the public image of the species for decades.
Interesting Facts
Stan is one of the most complete T. rex skeletons ever found and the basis for many museum casts worldwide.
The skull is unusually well-preserved, allowing detailed studies of T. rex anatomy.
Hundreds of casts of Stan are displayed in museums on every continent.
On display at
Black Hills Institute of Geological Research