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・ Gadofosveset
・ Gadol
・ Gadoleic acid
・ Gadolin
・ Gadolinite
・ Gadolinium
・ Gadolinium acetylacetonate
・ Gadolinium gallium garnet
・ Gadolinium oxyorthosilicate
・ Gadolinium oxysulfide
・ Gadolinium yttrium garnet
・ Gadolinium(III) chloride
・ Gadolinium(III) nitrate
・ Gadolinium(III) oxide
・ Gadolinium-doped ceria
Gadolosaurus
・ Gadom
・ Gadomiec-Chrzczany
・ Gadomiec-Jędryki
・ Gadomiec-Miłocięta
・ Gadomiec-Peronie
・ Gadomiec-Wyraki
・ Gadomski
・ Gadomski (crater)
・ Gadomskie
・ Gadomus
・ Gadomus colletti
・ Gadonanotube
・ Gadong
・ Gadong A, Brunei-Muara


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Gadolosaurus : ウィキペディア英語版
Gadolosaurus

"Gadolosaurus" is the informal name given to a genus of ornithopod dinosaur from late Cretaceous-age rocks in Mongolia. Though the name was made public in 1979, it has never been formally described, and the name is considered a ''nomen nudum''. The name "Gadolosaurus" first appeared in a book by Japanese paleontologist Tsunemasa Saito. It came from a caption to a photo of a juvenile dinosaur skeleton; this small individual was only about a meter long (39 inches). The skeleton was part of an Soviet exhibition of fossils in Japan. Apparently, the name comes from a Japanese phonetic translation of the Cyrillic word "gadrosavr", or hadrosaur, and was never meant by the Russians to establish a new generic name.
Because it is an informal name, with a suspect history, it has not attracted much professional attention. However, it has appeared in many popular dinosaur books, with varying identifications. Donald F. Glut in 1982 reported it as either an iguanodont or hadrosaur, with no crest or boot on the ischium (both characteristics of the crested lambeosaurine duckbills), and suggested it could be the juvenile of a previously named genus like ''Tanius'' or ''Shantungosaurus''. David Lambert in 1983 classified it as an iguanodont, but changed his mind by 1990, when it was listed as a synonym of ''Arstanosaurus''. What may be the same animal is mentioned but not named by David B. Norman and Hans-Dieter Sues in 2000; this material, from the Soviet-Mongolian expeditions of the 1970s, had been listed as ''Arstanosaurus'' in the Russian Academy of Sciences, but is currently under study for a future description, and more bones have been found in the intervening years. These bones were found at Baishin Tsav and were assigned a tentative Cenomanian age.
==See also==

* Timeline of hadrosaur research

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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