Gadolosaurus

Gadolosaurus is an informal name given to an undescribed hadrosauroid from the Bayan Shireh Formation of Baishan Tsav, Mongolia.[1]

The name "Gadolosaurus" was first used in a 1979 book by Japanese paleontologist Tsunemasa Saito.[2] In a caption for 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.[3]

Skeleton of Gadolosaurus

Despite being merely a mistranslation of gadrosavr, it 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.[4] David Lambert in 1983 classified it as an iguanodont,[5] but changed his mind by 1990, when it was listed as a synonym of Arstanosaurus without comment.[6] What may be the same animal is mentioned but not named by David B. Norman and Hans-Dieter Sues in a 2000 book on Mesozoic reptiles from Mongolia and the former USSR; this material, from the Soviet-Mongolian expeditions of the 1970s, had been listed as Arstanosaurus in the Russian Academy of Sciences, and was found in the Cenomanian-age Bayan Shireh Formation of Baishin Tsav.[7]

See also

References

  1. ↑ Tsogtbaatar, K., D. Weishampel, D. C. Evans, and M. Watabe. (In review). A New Hadrosauroid (Dinosauria: Ornithopoda) from the Late Cretaceous Baynshire Formation of the Gobi Desert (Mongolia). PLOS ONE
  2. ↑ Saito, Tsunemasa (1979). Wonder of the World's Dinosaurs. Tokyo: Kodansha Publishers. late 71.
  3. ↑ Glut, Donald F. (1997). "Barsboldia". Dinosaurs: The Encyclopedia. Jefferson, North Carolina: McFarland & Co. p. 202. ISBN 0-89950-917-7.
  4. ↑ Glut, Donald F. (1982). The New Dinosaur Dictionary. Secaucus, NJ: Citadel Press. p. 280. ISBN 0-8065-0782-9.
  5. ↑ Lambert, David; the Diagram Group (1983). A Field Guide to Dinosaurs. New York: Avon Books. p. 153. ISBN 0-380-83519-3.
  6. ↑ Lambert, David; the Diagram Group (1990). The Dinosaur Data Book. New York: Avon Books. p. 63. ISBN 0-380-75896-2.
  7. ↑ Norman, David B.; Sues, Hans-Dieter (2000). "Ornithopods from Kazakhstan, Mongolia and Siberia". In Benton, Michael J.; Shishkin, Mikhail A.; Unwin, David M.; Kurochkin, Evgenii N. The Age of Dinosaurs in Russia and Mongolia. Cambridge: Cambridge University Press. pp. 462–479. ISBN 0-521-55476-4.
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