dinosaurs

Evolution is not Reversible – Louis Dollo

Evolution is not Reversible – Louis Dollo

On December 7, 1857, French-born Belgian palaeontologist Louis Dollo was born. Dollo is best known for his work on dinosaurs. He also posited that evolution is not reversible, known as Dollo’s law. Together with the Austrian Othenio Abel, Dollo established the principles of paleobiology. Early Years Louis Dollo was born in Lille, Nord-Pas-de-Calais. At the École Centrale de Lille, Dollo studied with the Jules Gosselet and the zoologist Alfred Giard. In 1877, Louis…
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Barnum Brown and the Tyrannosaurus Rex

Barnum Brown and the Tyrannosaurus Rex

On February 12, 1873, paleontologist Barnum Brown was born. He is best known for his discovery of the first documented remains of Tyrannosaurus rex during a career that made him one of the most famous fossil hunters working from the late Victorian era into the early 20th century. Barnum Brown was born in 1873 in Carbondale, Kansas, and grew up to farmers. He attended Kansas University, and there, Brown came under the influence…
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Gideon Mantell and the Iguanodon

Gideon Mantell and the Iguanodon

On February 3, 1790, English obstetrician, geologist and palaeontologist Gideon Algernon Mantell was born. His attempts to reconstruct the structure and life of Iguanodon began the scientific study of dinosaurs. In 1822 he was responsible for the discovery of the first fossil teeth, and later much of the skeleton, of Iguanodon. Moreover, Mantell is also famous for his contributions on the Cretaceous of southern England. Well, the Cretaceous is a geologic period…
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