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Dinosaur Park Formation (Late Cretaceous, Campanian) Canada ( Alberta) Some specimens were found as stomach contents of Gorgosaurus [21] Claosaurus: 1890 Niobrara Formation (Late Cretaceous, Santonian to Campanian) United States ( Kansas) Historically conflated with other hadrosaurs Coahuilaceratops: 2010
Europe is relatively rich in fossils from the Jurassic-Cretaceous boundary, and much of what is known about European dinosaurs dates from this time. During the Maastrichtian the end of the Cretaceous dinosaurs were dominating western and Central Europe as the Tremp Formation in Spain dates back to that age.
Allen Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: Its holotype was preserved with two eggs that may have been within its oviducts when it died [17] Bonapartesaurus: 2017 Allen Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: Belongs to the Austrokritosauria, a clade of hadrosaurids endemic to South ...
The eggs date back more than 80 million years ago, making it a part of the Late Cretaceous period (66 to 100.5 million years ago). ... This sets a new record for the smallest found dinosaur egg.
Paleontologists from Argentina announced the discovery of a new medium-sized herbivorous dinosaur, which was a fast runner and lived about 90 million years ago in the Late Cretaceous period in ...
Late Cretaceous dinosaurs of North America (2 C, 222 P) Late Cretaceous dinosaurs of South America (153 P) B. Late Cretaceous birds (2 C, 1 P) O.
Alternatively, interpretation based on the fossil-bearing rocks along the Red Deer River in Alberta, Canada, supports the gradual extinction of non-avian dinosaurs; during the last 10 million years of the Cretaceous layers there, the number of dinosaur species seems to have decreased from about 45 to approximately 12. Other scientists have made ...
Pages in category "Late Cretaceous dinosaurs of North America" The following 200 pages are in this category, out of approximately 222 total. This list may not reflect recent changes .