New biogeographic evidence supports the origin of primates in the Jurassic and the evolution of the modern primate groups -- prosimians, tarsiers, and anthropoids -- by the early Cretaceous. A new ...
Collins, Laurel S. 1996. "When did the Isthmus of Panama emerge? Biogeographic, paleobathymetric and evolutionary evidence from benthic foraminifera." In Sixth North American Paleontological ...
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