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Sonorasaurus is a genus of brachiosaurid dinosaur from the middle Cretaceous (Albian to Cenomanian stages, around 112 to 93 million years ago). In Taxonomy, a type species is the species that originally defined a genus. A genus (plural genera from Γένος Latin genus "descent family type gender" is a low-level Taxonomic Brachiosauridae are a family of Dinosaurs whose members are known as brachiosaurids. The Cretaceous (kriːˈteɪʃəs, usually abbreviated 'K' for its German translation "Kreide" is a geologic period and system, reaching from the end of Albian ( French Albion, from Alba = Aube in France) is a stage of the Cretaceous period. |-|The Cenomanian age (also known as Woodbinian by the [[ICS]] is the first or earliest or oldest Geochronological "geologic age" In Astronomy, Geology, and Paleontology, mya or " mya " is an abbreviation for "million years ago". It was a herbivorous sauropod whose fossils have been found in southern Arizona in the United States. Herbivory is a form of Predation in which an Organism, known as a herbivore, consumes principally Autotrophs ref name=Campbell>Campbell Sauropoda (sɔˈrɒpədə or the sauropods (/ˈsɔroʊpɒd/ are a suborder or infraorder of the Saurischian ("lizard-hipped" The State of Arizona ( is a state located in the southwestern region of the United States. Its name comes from the Sonoran Desert where its fossils were first found, i. The Sonoran Desert (sometimes called the Gila Desert after the Gila River or the Low Desert in opposition to the higher Mojave Desert) is e. "Sonora lizard". It is estimated to have been about 15 meters long (50 ft) and 8. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International A foot (plural feet or foot; symbol or abbreviation ft or sometimes &prime – the prime symbol) is a non-SI unit 2 meters tall (27 ft), about one third of the size of Brachiosaurus. Brachiosaurus (ˌbrækiəˈsɔrəs meaning "arm lizard" from the Greek brachion /βραχιων meaning "arm" and sauros
Fossilized remains were discovered by geology student Richard Thompson, in 1995, in the Chihuahua Desert region of the Sonoran Desert in southern Arizona. The Chihuahuan Desert is a Desert that straddles the US-Mexico border. The Sonoran Desert (sometimes called the Gila Desert after the Gila River or the Low Desert in opposition to the higher Mojave Desert) is Dating of the find makes this the first known brachiosaur to have lived in the middle Cretaceous Period of North America. The Cretaceous (kriːˈteɪʃəs, usually abbreviated 'K' for its German translation "Kreide" is a geologic period and system, reaching from the end of The type species is S. In Taxonomy, a type species is the species that originally defined a genus. 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
- Sonorasaurus in The Dinosaur Encyclopaedia at Dino Russ's Lair
- Analysis of the Sonorasaurus site (technical)
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