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Discovery of the oldest South American fossil lizard illustrates the cosmopolitanism of early South American squamates

The new species represents the first occurrence of the extinct squamate family Paramacellodidae in South America and displays an unusual limb morphology. Finally, our findings suggest early South American squamates were part of a much broader distribution of their respective clades, in sharp contrast to the high levels of endemicity characteristic of modern faunas. Leer más.

https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs42003-020-0926-0/MediaObjects/42003_2020_926_Fig1_HTML.png?as=webp

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