A 10-million-year biogeographic holding pen primed the Great American Biotic Interchange
3 institutional releases
Published in Science · View the paper (DOI)
Mexico served as a long-term evolutionary hub where North American species adapted and diversified for millions of years before migrating to South America during the Great American Biotic Interchange. The findings suggest that prolonged diversification in Mexico contributed to the eventual prevalence of North American mammals in South ...
Coverage from 3 institutions
- Mexico was an evolutionary “holding pen” for millions of years before mammals’ continental migrations American Association for the Advancement of Science (AAAS) · Jul 30, 2026 · first to report
- Before North and South America were connected, their mammals found a way to intermingle University of California - Berkeley · Jul 30, 2026
- FSU geologists discover North, South American mammals mingled before continental connection Florida State University · Jul 30, 2026