Body Size Regulates Niche Overlap Asymmetry in the Subtropical Andes Rain Shadow: Isotopic Paleoecology of Oligocene South American Ungulates.

The Oligocene is a key period in South American mammalian evolution with diversification in groups such as notoungulates, sloths, and primates. While isotopic studies are abundant for the Neogene-Quaternary, Oligocene faunas remain understudied, with…

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