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Robert Thomas Bakker (born March 24, 1945) is an American paleontologist who helped reshape modern theories about dinosaurs, particularly by adding support to the theory that some dinosaurs were endothermic (warm-blooded). [2]
Within the paleontological community, Horner is best known for his work on dinosaur growth research. He has published numerous articles in collaboration with Berkeley paleontologist Kevin Padian, and French dinosaur histologist Armand de Ricqlès, on the growth of dinosaurs using growth series. This usually involves leg bones in graduated sizes ...
One archosaur group, the dinosaurs, were the dominant land vertebrates for the rest of the Mesozoic, [111] and birds evolved from one group of dinosaurs. [107] During this time mammals' ancestors survived only as small, mainly nocturnal insectivores, which may have accelerated the development of mammalian traits such as endothermy and hair. [112]
The dinosaur's name derives from Chaki, which is a word from the Aonikenk language, of the indigenous Tehuelche people, which means "old guanaco", a reference to a medium-sized herbivore mammal ...
Sir Richard Owen KCB FRMS FRS (20 July 1804 – 18 December 1892) was an English biologist, comparative anatomist and palaeontologist.Owen is generally considered to have been an outstanding naturalist with a remarkable gift for interpreting fossils.
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 ...
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John Harold Ostrom (February 18, 1928 – July 16, 2005) was an American paleontologist who revolutionized the modern understanding of dinosaurs. [1] Ostrom's work inspired what his pupil Robert T. Bakker has termed a "dinosaur renaissance".