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The Jurassic (/ dʒ ʊ ˈ r æ s ɪ k / juurr-ASS-ik [2]) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period 201.4 million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. The Jurassic constitutes the second and middle period of the Mesozoic Era as well as the eighth ...
Jurassic Coast – World Heritage Site on the coast of southern England; Lagerstätte – Sedimentary deposit with well-preserved extraordinary fossils; Lists of dinosaur-bearing stratigraphic units; List of fossil parks around the world; List of fossil parks in India; Pleistocene fossils in Michigan; List of human evolution fossils
One of the largest dinosaurs known from reasonably complete remains Pellegrinisaurus: 1996 Allen Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: May have lived inland unlike other contemporaneous titanosaurs [51] Perijasaurus: 2022 La Quinta Formation (Early Jurassic to Middle Jurassic, Toarcian to Aalenian) Colombia
The Cretaceous as a separate period was first defined by Belgian geologist Jean d'Omalius d'Halloy in 1822 as the Terrain Crétacé, [3] using strata in the Paris Basin [4] and named for the extensive beds of chalk (calcium carbonate deposited by the shells of marine invertebrates, principally coccoliths), found in the upper Cretaceous of ...
During the Early Cretaceous, new dinosaurs evolved to replace the old ones. 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.
This is a list of dinosaurs whose remains have been recovered from Appalachia. During the Late Cretaceous period, the Western Interior Seaway divided the continent of North America into two landmasses; one in the west named Laramidia and Appalachia in the east.
The largest sites of fossilized dinosaur eggs and footprints of dinosaurs from the Cretaceous period of the Mesozoic era in the world are located in various sites along the southern seacoast of South Korea. Fossilized eggs are widely distributed and are in well preserved conditions.
The Indian fossil record of dinosaurs is good, with fossils coming from the entire Mesozoic era – starting with the Triassic period (a geological period that started 251.9 million years ago and continued till 201.3 million years ago), to the Jurassic period (201 million years ago to 145 million years ago) and Cretaceous period (from 145 ...