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Press Release 05-085

Geologists Find First Clue to T. rex Gender in Bone Tissue

Lucky break reveals it's a girl

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Two Tyrannosaurus rex adults are alert and ready to hunt.

Two Tyrannosaurus rex adults are alert and ready to hunt. A pterodactyloid pterosaur is overhead. The scene takes place on the margin of a floodplain in the future area of western Montana, during the Hell Creek formational time of the late Cretaceous Period.

Credit: "Awakening of Hunger" (Tyrannosaurus) @ 1985 Mark Hallett. All Rights Reserved.

Artist permission is required to reproduce art images. Please contact MARK HALLETT PALEOART at marksabercat@q.com or (503) 831-1164.

 

Tissue within T. rex bone led to a determination of the dinosaur's gender.

Tissue within T. rex bone led to a determination of the dinosaur's gender.

Credit: North Carolina State University


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