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"Gadolosaurus" is the informal name given to a genus of ornithopod dinosaur from late Cretaceous-age rocks in Mongolia. A genus (plural genera from Γένος Latin genus "descent family type gender" is a low-level Taxonomic Ornithopods (ɔrˈnɪθoʊpɒd are a group of bird-hipped Dinosaurs that started out as small Bipedal running grazers and grew in size and Late Cretaceous (100mya - 65mya refers to the second half of the Cretaceous Period, named after the famous white Chalk cliffs of southern England Mongolia (mɒŋˈɡoʊliə, literally Mongol country/nation,) is a Landlocked Country in East Though the name was made public in 1979, it has never been formally described, and the name is considered a nomen nudum. The phrase nomen nudum is a Latin term meaning "naked name" The name "Gadolosaurus" first appeared in a book by Japanese paleontologist Tsunemasa Saito. [1] It came from a caption to a photo of a juvenile dinosaur skeleton; this small individual was only about a meter long (39 inches). A juvenile is an individual Organism that has not yet reached its Adult form Sexual maturity or size The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International Inches redirects here To see the Les Savy Fav album see Inches. The skeleton was part of an Soviet exhibition of fossils in Japan. The Union of Soviet Socialist Republics (USSR was a constitutionally Socialist state that existed in Eurasia from 1922 to 1991 For a topic outline on this subject see List of basic Japan topics. 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. is a language spoken by over 130 million people in Japan and in Japanese emigrant communities The Cyrillic alphabet (səˈrɪlɪk also called azbuka, from the old name of the first two letters is actually a family of Alphabets, subsets of which are used by Hadrosaurids or duck-billed Dinosaurs are members of the family Hadrosauridae, and include Ornithopods such as Edmontosaurus [2]

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. Donald F Glut is an American Writer, Motion picture director, Screenwriter, Amateur paleontologist, Musician Iguanodonts were herbivorous Dinosaurs that lived from the mid- Jurassic to Late Cretaceous. The ischium forms the lower and back part of the Hip bone ( os coxae) Hadrosaurids or duck-billed Dinosaurs are members of the family Hadrosauridae, and include Ornithopods such as Edmontosaurus Tanius (meaning "of the Tan " is a Genus of Hadrosaurid Dinosaur. Shantungosaurus, meaning "Shandong Lizard" is a Genus of flat headed Hadrosaurid Dinosaurs found in the Late Cretaceous [3] David Lambert in 1983 classified it as an iguanodont,[4] but changed his mind by 1990, when it was listed as a synonym of Arstanosaurus. In Scientific nomenclature, synonyms are different Scientific names used for a single Taxon. Arstanosaurus (meaning "Arstan lizard" was a Genus of Hadrosaurid Dinosaur from the Santonian - Campanian [5] 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. David B Norman is a Paleontologist and the Director of the Sedgwick Museum, Cambridge University. Hans-Dieter Sues is a German-born Paleontologist who is currently the Associate Director for Research and Collections at the National Museum of Natural History (Smithsonian The Russian Academy of Sciences (Российская Академия Наук Rossi'iskaya Akade'miya Nau'k, shortened to PAH RAN) consists of the National These bones were found at Baishin Tsav and were assigned a tentative Cenomanian age. |-|The Cenomanian age (also known as Woodbinian by the [[ICS]] is the first or earliest or oldest Geochronological "geologic age" [6]

References

  1. ^ Saito, Tsunemasa (1979). Wonder of the World's Dinosaurs. Tokyo: Kodansha Publishers, Plate 71.  
  2. ^ Glut, Donald F. (1997). "Barsboldia", Dinosaurs: The Encyclopedia. Jefferson, North Carolina: McFarland & Co, 202. ISBN 0-89950-917-7.  
  3. ^ Glut, Donald F. (1982). The New Dinosaur Dictionary. Secaucus, NJ: Citadel Press, 280. ISBN 0-8065-0782-9.  
  4. ^ Lambert, David; and the Diagram Group (1983). A Field Guide to Dinosaurs. New York: Avon Books, 153. ISBN 0-380-83519-3.  
  5. ^ Lambert, David; and the Diagram Group (1990). The Dinosaur Data Book. New York: Avon Books, 63. ISBN 0-380-75896-3.  
  6. ^ Norman, David B.; Sues, Hans-Dieter (2000). David B Norman is a Paleontologist and the Director of the Sedgwick Museum, Cambridge University. "Ornithopods from Kazakhstan, Mongolia and Siberia", in Benton, Michael J. ; Shishkin, Mikhail A. ; Unwin, David M. ; and Kurochkin, Evgenii N. : The Age of Dinosaurs in Russia and Mongolia. Cambridge: Cambridge University Press, 462-479. ISBN 0-521-55476-X.  

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