Description: This Tenontosaurus bone fossil is from the Sheep Mountain Formation in Montana.The fossil is about 1 1/2" x 1".I am unsure which part of the dinosaur this bone piece is from.Fossil comes in a unique display case and includes a laminated dinosaur information card. All fossils sold are authentic fossils, no replicas. TenontosaurusTenontosaurus is a genus of medium to large sized ornithopod dinosaur. It was a relatively medium sized ornithopod, reaching 20 to 23 ft in length and 1,300 to 2,200 lbs. in body mass. It had an unusually long, broad tail, which like its back was stiffened with a network of bony tendons.The genus is known from the Early Cretaceous period sediments of western North America, dating between 115 and 108 million years ago.Teeth and a number of skeletons belonging to the carnivorous theropod Deinonychus have often been discovered associated with Tenontosaurus remains. Specimens have been found at over 50 sites, and 14 of those also contain Deinonychus remains. According to one 1995 study, only six sites containing Deinonychus fossils contain no trace of Tenontosaurus, and Deinonychus remains are only rarely found associated with other potential prey, like Sauropelta. In all, 20% of Tenontosaurus fossils are found in close proximity to Deinonychus, and several scientists have suggested that this implies Deinonychus was the major predator of Tenontosaurus. Adult Deinonychus, however, were much smaller than adult Tenontosaurus, and it is unlikely a single Deinonychus would have been capable of attacking a fully grown Tenontosaurus. While some scientists have suggested that Deinonychus must therefore have been a pack hunter, It is likely that Deinonychus favored juvenile Tenontosaurus, and that when Tenontosaurus reached a certain size, it passed out of range as a food source for the small theropods, though they may have scavenged larger individuals, or preyed on adults that were sick or injured. The fact that most Tenontosaurus remains found with Deinonychus are half-grown individuals supports this view. It also lived in the same area as the large carnivorous dinosaur Acrocanthosaurus. TN005
Price: 16.99 USD
Location: Davenport, Iowa
End Time: 2024-01-28T01:29:49.000Z
Shipping Cost: 4.99 USD
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