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Acrocanthosaurus was one of the largest theropods, with the largest known specimen reaching 11–11.5 meters (36–38 ft) in length and weighing approximately 4.4–6.6 metric tons (4.9–7.3 short tons). Large theropod footprints discovered in Texas may have been made by Acrocanthosaurus, although there is no direct association with skeletal ...
Sauroposeidon (/ ˌsɔːroʊpoʊˈsaɪdən / SOR-o-po-SY-dən; meaning " lizard earthquake god ", after the Greek god Poseidon [3][4]) is a genus of sauropod dinosaur known from several incomplete specimens including a bone bed and fossilized trackways that have been found in the U.S. states of Oklahoma, Wyoming, and Texas.
Argentinosaurus is a genus of giant sauropod dinosaur that lived during the Late Cretaceous period in what is now Argentina. Although it is only known from fragmentary remains, Argentinosaurus is one of the largest known land animals of all time, perhaps the largest, measuring 30–35 metres (98–115 ft) long and weighing 65–80 tonnes (72 ...
Dinosaurs from this formation include the large theropod Acrocanthosaurus, the sauropod Sauroposeidon, as well as the ornithopods Tenontosaurus and Convolosaurus. [1] [2] It is the lowermost unit of the lower Cretaceous, lying unconformably on Carboniferous strata. It is overlain by the Glen Rose Formation.
Melanorosaurus (meaning "Black Mountain Lizard", from the Greek melas/μέλας, "black", oros/ὄρος, "mountain" + sauros/σαῦρος, "lizard") is a genus of basal sauropodomorph dinosaur that lived during the Late Triassic period. An omnivore [1] from South Africa, it had a large body and sturdy limbs, suggesting it moved quadrupedally.
Species. † T. tilletti Ostrom, 1970 (type) † T. dossi Winkler, Murry & Jacobs, 1997. Tenontosaurus (/ tɪˌnɒntəˈsɔːrəs / ti-NON-tə-SOR-əs; lit. 'sinew lizard') is a genus of iguanodontian ornithopod dinosaur. It had an unusually long, broad tail, which like its back was stiffened with a network of bony tendons.
In prehistoric Oklahoma, Astrodon lived alongside other dinosaurs, such as the sauropod Sauroposeidon proteles, the dromaeosaurid Deinonychus antirrhopus and the carnosaur Acrocanthosaurus atokensis. [20] [21] The most common dinosaur in the paleoenvironment preserved in the Antlers Formation is the ornithopod Tenontosaurus.
Amargasaurus (/ ə ˌ m ɑːr ɡ ə ˈ s ɔː r ə s /; "La Amarga lizard") is a genus of sauropod dinosaur from the Early Cretaceous epoch (129.4–122.46 mya) of what is now Argentina.The only known skeleton was discovered in 1984 and is virtually complete, including a fragmentary skull, making Amargasaurus one of the best-known sauropods of its epoch.