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Dinosaurs of the Cretaceous Period, existing/appearing during the latter Mesozoic Era. Subcategories. This category has the following 11 subcategories, out of 11 ...
Early Cretaceous dinosaurs of South America (30 P) B. Early Cretaceous birds (1 C) E. Early Cretaceous ornithischians (3 C, 2 P) S. Early Cretaceous sauropods (20 P)
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.
The small dinosaur eggs, discovered in 2021, ... 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).
The Early Cretaceous was an important time for the dinosaurs of Africa because it was when Africa finally separated from South America, forming the South Atlantic Ocean. This was an important event because now the dinosaurs of Africa started developing endemism because of isolation. The Late Cretaceous of Africa is known mainly from North Africa.
The authors pointed out that Qunka’s unique tail vertebrae provides new insights into non-avian Late Cretaceous dinosaurs in the region, which lived when Europe was made up of islands. The study ...
Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 December 2024. Family of theropod dinosaurs Dromaeosaurids Temporal range: Cretaceous Pre๊ ๊ 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 ...