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・ Sonoran collared lizard
・ Sonoran Desert
・ Sonoran Desert National Monument
・ Sonoran green toad
・ Sonoran harvest mouse
・ Sonoran News
・ Sonoran pronghorn
・ Sonoran Science Academy
・ Sonoran Solar Project
・ Sonoran woodrat
・ Sonoran-Sinaloan transition subtropical dry forest
・ Sonorant
・ Sonorarctia
・ Sonorarctia fervida
・ Sonorarctia nundar
Sonorasaurus
・ Sonoraville High School
・ Sonoraville, Georgia
・ Sonorella
・ Sonorella allynsmithi
・ Sonorella christenseni
・ Sonorella grahamensis
・ Sonorella macrophallus
・ Sonorella todseni
・ Sonorism
・ Sonority
・ Sonority (album)
・ Sonority hierarchy
・ Sonority Sequencing Principle
・ Sonorous Entertainment


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

''Sonorasaurus'' is a genus of brachiosaurid dinosaur from the middle Cretaceous (Albian to Cenomanian stages, around 112 to 93 million years ago). It was a herbivorous sauropod whose fossils have been found in southern Arizona in the United States. Its name, which means "Sonora lizard", comes from the Sonoran Desert where its fossils were first found. It is estimated to have been about 15 meters long (50 ft) and 8.2 meters tall (27 ft), about one third of the size of ''Brachiosaurus''.
Fossilized remains were discovered by geology student Richard Thompson, in 1995, in the Chihuahua Desert region of the Sonoran Desert in southern Arizona. Dating of the find makes this the first known brachiosaur to have lived in the middle Cretaceous Period of North America. The type species is ''S. thompsoni'', described by Ratkevich in 1998.
==References==

* Ratkevich, R (1998). "New Cretaceous brachiosaurid dinosaur, ''Sonorasaurus thompsoni gen et sp. nov'', from Arizona." ''Arizona-Nevada Academy of Science'' 31; 71-82.
* (Discover web site )
* (Analysis of the ''Sonorasaurus'' site (technical) )


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Sonorasaurus」の詳細全文を読む



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