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The Mesozoic Era [3] is the era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceous Periods.It is characterized by the dominance of archosaurian reptiles such as the dinosaurs, and of gymnosperms such as cycads, ginkgoaceae and araucarian conifers; a hot greenhouse climate; and the tectonic break-up of Pangaea.
Prehistoric animals of the Mesozoic Era. Paleontology portal; Subcategories. This category has the following 7 subcategories, out of 7 total. Mesozoic ...
Step back in time to the Mesozoic Era, where dinosaurs ruled the Earth. With this quiz, you’ll encounter iconic giants like the T. Rex and the Stegosaurus, clever predators like the Velociraptor ...
Stagodontid mammal Didelphodon was one of the largest Mesozoic metatherians and all Cretaceous mammals. [45] Its skull could reach over 10 centimetres (3.9 in) in length [46] and a weight of complete animal was 5.2 kilograms (11 lb). [47]
List of extinct animals of Romania; List of fossil species in the La Brea Tar Pits, California, United States; List of fossil species in the London Clay, England; List of White Sea biota species by phylum, Russia; Paleobiota of the Hell Creek Formation, northern United States; Paleobiota of the Morrison Formation, western United States
Of all the phases Earth has been through, the Mesozoic Era stands out among the rest—even from off-world. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...
Dinosaurs were the largest terrestrial animals for much of the Mesozoic Era, and one group of small feathered dinosaurs (Aves, i.e. birds) has survived up to the present day. Pterosaurs were the first flying vertebrates and persisted through the Mesozoic before dying out at the Cretaceous-Paleogene (K-Pg) extinction event.
Calcified aptychi only occur in ammonites from the Mesozoic era. They are almost always found detached from the shell, and are only very rarely preserved in place. Still, sufficient numbers have been found closing the apertures of fossil ammonite shells as to leave no doubt as to their identity as part of the anatomy of an ammonite.