Tyrannosaurus, best known simply as T-rex, was first discovered by Barnum Brown in eastern Wyoming in 1900. The concept of a slow-moving, tail-dragging beast has changed a lot over the 100 plus years since first discovered, and Tyrannosaurus is now thought to have been an agile hunter that may have lived in family groups.nnSpecifications:nn1:10 scalenPolyurethane resin castnPlaque Length 13 cm (5.1 in.)nPlaque Height 9 cm (3.5 in.)nnPlease note: This item is a theoretical reconstruction based on scientific interpretation. It was not molded from an original fossil, but represents what the specimen is believed to have looked like based on available research.