Skip to main content Meet the T. rex of Texas that prowled Texas more than 100 million years ago, the Acrocanthosaurus René Guzman, Staff writer FacebookTwitterEmail 1of8 The Acrocanthosaurus (A. atokensis) was a deadly bipedal dinosaur in the early Cretaceous period more than 99 million years ago. Its habitat included what is now the I-35 corridor.Warpaintcobra, Contributor / Getty Images/iStockphotoShow MoreShow Less 2of8 This computer-generated illustration of an Acrocanthosaurus shows its humplike back. The name Acrocanthosaurus means “high-spined lizard.”MR1805, Contributor / Getty Images/iStockphotoShow MoreShow Less 3of8 4of8 In 2012, the life-size Acrocanthosaurus was transported from the Convention Center to its current home at the Witte Museum. Concrete sculptors Thom Hunt and Mark Whitten built the concrete dinosaur that year in San Antonio for the Concrete Decor Show.TOM REEL, STAFF / San Antonio Express-NewsShow MoreShow Less