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A Tyrannosaurus in Wyoming named "Lee" is shaping up to be one of the most complete T Rex specimens ever found... which is a pretty big deal since there's currently only 15 "fairly complete" skeletons of the 50 existing Tyrannosaurs discovered. The dig for Lee has been conducted by JP Cavigelli, field operations specialist for the Tate Geological Museum.

Last summer, a five-person team went to the rock, digging for three days. They uncovered a slab 18 feet long and 8 feet wide. They found three fossilized articulated vertebrae from the tailbone at one end of the rock. They also found three long rib bones, pelvic bones and others.

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After the first day, Cavigelli told the rancher: “ 'I'm 90 percent sure we have a T-rex.' She was pretty excited, and she told her husband. He thought we were pulling his leg.”

By the end of the third day, Cavigelli was certain. They had uncovered chevrons, a series of bones on the underside of reptile tails. On a T-rex, these are distinctly shaped, resembling paddles.