Based on the size and cross section of the tooth it is the tip half of a much larger tooth, likely pushing 3-4 in length. The tooth was found in a few sections and restored back together. The restoration is clearly visible in the middle of the tooth which makes this a very affordable large T Rex tooth!The tooth measures 1 5/8 in length. The Hell Creek Formation dates back to the Late Cretaceous approximately 66-68 million years in age. It represent the coastline of an ancient sea that spanned across the middle of North American during much of the Mesozoic Era. That is why dinosaur remains are so common in the American West, those areas were the ancient floodplains of a seaway that no longer exists. Dinosaur like the famous Tyrannosaurus Rex, Triceratops and Pachycephalosaurus were part of this amazing ecosystem. Other dinosaur such as Edmontosaurus, Thescelosaurus, Struthiomimus and Oviraptorids existed here as well. And of course there were the Dromaeosaurs Raptors that inhabited this area and preyed upon these species such as Acheropraptor and Dakotaraptor. The item "Huge Adult Tyrannosaurus Rex Dinosaur Tooth Hell Creek Formation T Rex" is in sale since Saturday, September 7, 2019. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Fossils\Vertebrates\Amphibian, Reptile & Dinosaur". The seller is "hellcreekdinosaurs" and is located in Houston, Texas. This item can be shipped worldwide.