Acrocanthosaurus</h6>

New Information on the Cranial Anatomy of Acrocanthosaurus

Acrocanthosaurus atokensis is the first-named and only species currently recognized as valid in the genus Acrocanthosaurus The genus name stems from the Latin for ‘‘high-spined lizard’’, as specimens referred to that taxon exhibit exceptionally tall neural spines along cervical and dorsal vertebrae [1,21,23] The species

Dinosaurs & Birds Acrocanthosaurus atokensis Fossil Replica

Acrocanthosaurus atokensis Fossil Replica The Acrocanthosaurus atokensis is a modular cast, that can be assembled by a crew of four people in less than two hours The replica is supported by a steel structure that is almost completely hidden within the bones themselves, and is hand painted to closely resemble the original specimen

Cranial Endocast of the Cretaceous Theropod Dinosaur

As was mentioned above, Acrocanthosaurus has been placed as the sister group to Carcharodontosaurus sa- haricus by Sereno et al (1996), forming the monophyletic clade Carcharodontosauridae, with Giganotosaurus Characters such as the division of the olfactory bulbs and tracts by a mesethmoid, which occurs in Acrocanthosaurus

Acrocanthosaurus atokensis Deinonychus Apatosaurus Stegosaurus

include Acrocanthosaurus atokensis and Deinonychus (southeast); and Jurassic (200–146 mya) sauropods Apatosaurus (weighing 250 tons and 75 feet long, also known as Brontosaurus), and Stegosaurus recovered from the Morrison Formation (northwest) The giant Saurophaganax maximus fossils are unique to Oklahoma

Interpretive Guide to Dinosaur Valley State Park

Acrocanthosaurus, a dinosaur similar in appearance to Tyrannosaurus rex Acrocanthosaurus ran on two legs as it pursued its prey Reaching up to 38 feet long, it left tracks ranging from 12 to 24 inches long and 9 to 17 inches wide sauropod tracks, probably Sauroposeidon proteles (aka Paluxysaurus jonesi) front foot hind foot carnosaur

Dinosaur remains are fairly rare in Arkansas; however there

Acrocanthosaurus atokensis A complete skeleton of was Acrocanthosaurus recovered near Idabel, Oklahoma approximately 25 miles from the Arkansas state line Recently discovered theropod footprint from southwestern Arkansas Sauropod trackway Thousands of sauropod tracks were exposed in mining operations of a gypsum mine in southwest Arkansas In