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出典:Wikipedia
出典:『Wikipedia』 (2010/07/21 02:22 UTC 版)
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.
Los Colorados Formation