1848 In Paleontology
Dinosaurs Newly named dinosaurs See also * 1848 References {{Reflist 1840s in paleontology Paleontology Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fos ...

Regnosaurus
''Regnosaurus'' (meaning "Sussex lizard") is a genus of herbivorous stegosaurian dinosaur that lived during the Early Cretaceous Period in what is now England. It was one of the first stegosaurs disvovered. Discovery and species The fossil remains, a portion of the right lower jaw, were found near Cuckfield in Sussex, and made part of the collection of the British Museum of Natural History. In 1839 Gideon Mantell reported having noticed the fossil during a visit. Mantell soon came to the conclusion that the specimen represented the, until then unknown, lower jaw of his '' Iguanodon'', probably that of a juvenile. On 8 February 1841 he presented it as such to the Royal Society. This interpretation was immediately challenged by Richard Owen, who felt that any proof of a connection was lacking. In 1848, after several real jaws of ''Iguanodon'' had been discovered, Mantell changed his position, concluding it was a related but different genus or subgenus, coining the name '' ...
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Huayangosaurus BW
''Huayangosaurus'' is a genus of stegosaurian dinosaur from the Middle Jurassic of China. The name derives from "Huayang" (華陽), an alternate name for Sichuan (the province where it was discovered), and "saurus", meaning "lizard". It lived during the Bathonian to Callovian stages, around 165 million years ago, some 20 million years before its famous relative, ''Stegosaurus'' appeared in North America. At only approximately long, it was also much smaller than its famous cousin. Found in the Lower Shaximiao Formation, ''Huayangosaurus'' shared the local Middle Jurassic landscape with the sauropods ''Shunosaurus'', ''Datousaurus'', ''Omeisaurus'' and ''Protognathosaurus'', the ornithopod ''Xiaosaurus'' and the carnivorous ''Gasosaurus''. Description Like other stegosaurians, ''Huayangosaurus'' was a quadrupedal herbivore with a small skull and a spiked tail. Like its more famous relative, ''Stegosaurus'', ''Huayangosaurus'' bore the distinctive double row of plates that charac ...
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1848
1848 is historically famous for the wave of revolutions, a series of widespread struggles for more liberal governments, which broke out from Brazil to Hungary; although most failed in their immediate aims, they significantly altered the political and philosophical landscape and had major ramifications throughout the rest of the century. Ereignisblatt aus den revolutionären Märztagen 18.-19. März 1848 mit einer Barrikadenszene aus der Breiten Strasse, Berlin 01.jpg, Cheering revolutionaries in Berlin, on March 19, 1848, with the new flag of Germany Lar9 philippo 001z.jpg, French Revolution of 1848: Republican riots forced King Louis-Philippe to abdicate Zeitgenössige Lithografie der Nationalversammlung in der Paulskirche.jpg, German National Assembly's meeting in St. Paul's Church Pákozdi csata.jpg, Battle of Pákozd in the Hungarian Revolution of 1848 Events January–March * January 3 – Joseph Jenkins Roberts is sworn in, as the first president of the i ...
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1840s In Paleontology
__NOTOC__ Year 184 ( CLXXXIV) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Eggius and Aelianus (or, less frequently, year 937 ''Ab urbe condita''). The denomination 184 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place China * The Yellow Turban Rebellion and Liang Province Rebellion break out in China. * The Disasters of the Partisan Prohibitions ends. * Zhang Jue leads the peasant revolt against Emperor Ling of Han of the Eastern Han Dynasty. Heading for the capital of Luoyang, his massive and undisciplined army (360,000 men), burns and destroys government offices and outposts. * June – Ling of Han places his brother-in-law, He Jin, in command of the imperial army and sends them to attack the Yellow Turban rebels. * Winter – Zh ...
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