Los Colorados Formation

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The Los Colorados Formation is a sedimentary rock formation found in La Rioja, Argentina. It has a Norian age (Upper Triassic), and is notable for its fossils of early dinosaurs, including the coelophysoid Zupaysaurus and the "prosauropods" Coloradisaurus, Lessemsaurus, and Riojasaurus.[1]

[edit] References

  1. ^ Weishampel, David B.; Barrett, Paul M.; Coria, Rodolfo A.; Le Loueff, Jean; Xu Xing; Zhao Xijin; Sahni, Ashok; Gomani, Elizabeth M.P.; and Noto, Christopher N. (2004). "Dinosaur distribution", in Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press, 517-606. ISBN 0-520-24209-2. 
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