Keichousaurus

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Fossil Measures 46 1/2" Length x 19" Tall x 5/8" ThickKeichousaurus is a genus of marine reptile in the pachypleurosaur family which went extinct at the close of the Triassic in th e Triassic-Jurassic extinction event. The name derives from Kweichow (now Guizhou Province) in China where the first fossil specimen was discovered in 1957. They are among the most common sauropterygian fossils recovered and are often found as nearly complete, articulated skeletons, making them popular among collectors. Keichousaurus, and the pachypleurosaur family broadly, are sometimes classified within Nothosauroidea, but are otherwise listed as a separate, more primitive lineage within Sauropterygia. (source: Wikipedia) Show more