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The '''Santa Maria Formation''' is a [[sedimentary]] [[geological formation|rock formation]] found in [[Rio Grande do Sul]], [[Brazil]]. It has a late [[Ladinian]] – early [[Carnian]] age ([[Middle Triassic|Middle]] – [[Upper Triassic]]), and is notable for its [[fossil]]s of early [[dinosaur]]s, including the [[herrerasaur]] ''[[Staurikosaurus]]'', the [[basal (phylogenetics)|basal]] [[saurischian]] ''[[Teyuwasu]]'', and the basal [[sauropodomorpha|sauropodomorph]] ''[[Saturnalia (dinosaur)|Saturnalia]]''.<ref name=DBWetal04>{{cite book |last=Weishampel |first=David B. |authorlink=David B. Weishampel |coauthors=Barrett, Paul M.; Coria, Rodolfo A.; Le Loueff, Jean; Xu Xing; Zhao Xijin; Sahni, Ashok; Gomani, Elizabeth M.P.; and Noto, Christopher N. |editor=Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.)|title=The Dinosauria |edition=2nd |year= 2004|publisher=University of California Press |location=Berkeley |isbn=0-520-24209-2 |pages=517-606 |chapter=Dinosaur distribution }}</ref> It received this name because it was discovered first in the city of [[Santa Maria (Rio Grande do Sul)|Santa Maria]]. |
The '''Santa Maria Formation''' is a [[sedimentary]] [[geological formation|rock formation]] found in [[Rio Grande do Sul]], [[Brazil]]. It has a late [[Ladinian]] – early [[Carnian]] age ([[Middle Triassic|Middle]] – [[Upper Triassic]]), and is notable for its [[fossil]]s of early [[dinosaur]]s, including the [[herrerasaur]] ''[[Staurikosaurus]]'', the [[basal (phylogenetics)|basal]] [[saurischian]] ''[[Teyuwasu]]'', and the basal [[sauropodomorpha|sauropodomorph]] ''[[Saturnalia (dinosaur)|Saturnalia]]''.<ref name=DBWetal04>{{cite book |last=Weishampel |first=David B. |authorlink=David B. Weishampel |coauthors=Barrett, Paul M.; Coria, Rodolfo A.; Le Loueff, Jean; Xu Xing; Zhao Xijin; Sahni, Ashok; Gomani, Elizabeth M.P.; and Noto, Christopher N. |editor=Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.)|title=The Dinosauria |edition=2nd |year= 2004|publisher=University of California Press |location=Berkeley |isbn=0-520-24209-2 |pages=517-606 |chapter=Dinosaur distribution }}</ref> It received this name because it was discovered first in the city of [[Santa Maria (Rio Grande do Sul)|Santa Maria]]. |
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The distinguished English [[paleontologist]] [[Arthur Smith Woodward]] determined the age of [[Santa Maria Formation]] dated [[Mesozoic]] Era, [[Upper Triassic]] period (about '''220 million years'''). |
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The '''Santa Maria Formation''' is in [[geopark]] of [[paleorrota]]. |
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==Fauna== |
==Fauna== |
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Revision as of 01:08, 4 November 2008
The Santa Maria Formation is a sedimentary rock formation found in Rio Grande do Sul, Brazil. It has a late Ladinian – early Carnian age (Middle – Upper Triassic), and is notable for its fossils of early dinosaurs, including the herrerasaur Staurikosaurus, the basal saurischian Teyuwasu, and the basal sauropodomorph Saturnalia.[1] It received this name because it was discovered first in the city of Santa Maria.
The distinguished English paleontologist Arthur Smith Woodward determined the age of Santa Maria Formation dated Mesozoic Era, Upper Triassic period (about 220 million years).
The Santa Maria Formation is in geopark of paleorrota.
Fauna
Dinosaurs
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See also
References
- ^ Weishampel, David B. (2004). "Dinosaur distribution". In Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.) (ed.). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 517–606. ISBN 0-520-24209-2.
{{cite book}}:|editor=has generic name (help); Unknown parameter|coauthors=ignored (|author=suggested) (help)CS1 maint: multiple names: editors list (link)
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