Tyrannosaurus Thomas Fossil

Paleontologists at the Natural History Museum in Los Angeles prepare and assemble the fossils of a 66 million year-old Tyrannosaurus rex nicknamed "Thomas", in Los Angeles on March 27, 2008. This T-Rex specimen is estimated to be a 70% complete and one of 30 partially complete T-Rex fossils worldwide. Thomas was excavated in Montana between 2003 and 2005.