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World Development Indicators have improved relative to the year 1990. 75% of poverty reduction shown happened in China. [1] International development or global development is a broad concept denoting the idea that societies and countries have differing levels of economic or human development on an international scale.
During the late 1850s, the world's first reasonably complete dinosaur skeleton was discovered in New Jersey. [68] Joseph Leidy would name it Hadrosaurus. This was the first known dinosaur, the first dinosaur to be interpreted as two-legged, and the first to be mounted for exhibition in a museum. [69]
Dinosaur coloration is generally one of the unknowns in the field of paleontology, as skin pigmentation is nearly always lost during the fossilization process. However, recent studies of feathered dinosaurs and skin impressions have shown the colour of some species can be inferred through the use of melanosomes , the colour-determining pigments ...
More recently, in the 2000s, Seismosaurus was found to be the same as Diplodocus, a previously known dinosaur of similar age from the western United States. [95] Dinosaur fossils continue to be found in new locations within the United States. It was not until 2004 that any dinosaur fossils were reported from Louisiana. [96]
Dinosaurs left behind abundant fossils in the Four Corners region and this area is now known as one of the best sources of Late Triassic dinosaur fossils in the United States. Texas is also good source of dinosaur remains from this time. [54] The oldest dinosaur remains in the eastern US are about 225 million years old. [55]
United States ( Maryland) Only known from the imprints of a neonate skeleton Prosaurolophus: 1916 Dinosaur Park Formation, Two Medicine Formation (Late Cretaceous, Campanian) Canada ( Alberta) United States ( Montana) Had a relatively large head for a hadrosaur Protohadros: 1998 Woodbine Formation (Late Cretaceous, Cenomanian) United States
The 2-minute-long ad features the voice acting of Jack Black as a post-extinction dinosaur named Frankie, who has disrupted the general assembly to issue a warning: I
Protoceratops skeleton at the Wyoming Dinosaur Center. The classical folklorist Adrienne Mayor has proposed that the profusion of literary descriptions and imagery of the griffin in Greek and Roman literature and art beginning in the 7th century BC to the 3rd century AD were influenced by observations and travelers' accounts of fossilized beaked dinosaur skeletons found in the Turpan and ...