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This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Family of theropod dinosaurs Dromaeosaurids Temporal range: Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N A collection of dromaeosaurid fossil skeletons. Clockwise from upper left: Deinonychus antirrhopus (a heavily built eudromaeosaur), Buitreraptor gonzalezorum (a long-snouted unenlagiine ...
This list of the prehistoric life of Indiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Indiana.
Dromaeosaurus (/ ˌ d r oʊ m i ə ˈ s ɔːr ə s,-m i. oʊ-/; [3] lit. ' running lizard ') is a genus of dromaeosaurid theropod dinosaur that lived during the Late Cretaceous period (middle late Campanian and Maastrichtian), sometime between 80 and 69 million years ago, in Alberta, Canada and the western United States.
Sauropods were still present, but they were not as diverse as they were in the Jurassic Period. Theropods from the Early Cretaceous of North America include dromaeosaurids such as Deinonychus and Utahraptor, the carnosaur Acrocanthosaurus, and the coelurosaur Microvenator. Sauropods included Astrodon, Brontomerus, and Sauroposeidon.
This list of the Paleozoic life of Indiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Indiana and are between 538.8 and 252.17 million years of age.
Discoveries of feathered dromaeosaurids continued into the 2000s. Xu, Zhou, and Wang named the new genus Microraptor in 2000. [6] Three years later, Xu and others would report a new species in this genus that exhibited a bizarre "four winged" body plan with long pennaceous flight feathers on both its front and hind limbs. [7]
Bloomington and Indianapolis: Indiana University Press. pp. 10–18. ISBN 978-0-253-33907-2. Foster, J. (2007). Jurassic West: The Dinosaurs of the Morrison Formation and Their World. Indiana University Press. 389pp. ISBN 978-0-253-34870-8. Galton, P.M. (1981). Dryosaurus, a hypsilophodontid dinosaur from the Upper Jurassic of North America and ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 February 2025. Extinct clade of dinosaurs Eudromaeosaurs Temporal range: Early Cretaceous – Late Cretaceous, 143–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Possible Kimmeridgian record Eudromaeosauria diversity, featuring from top left to lower right: Utahraptor, Deinonychus, Velociraptor and ...