Paleontologists Sediment (IMAGE) Keck School of Medicine of USC Caption Paleontologists dry sediment collected from the Santa Rosa site where Ucayalipithecus was found, in Amazonian Perú. Credit Erik Seiffert Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.