land bridge over which several groups of mammals apparently took part in an interchange. For example, specimens have been assigned to xenarthrana, didelphidae, and phorusrhacidae from Eocene North America and Europe (although these have been criticized), and Peradectes from Paleocene South America. Great American Interchange The Great American Interchange in which land and freshwater fauna migrated between North America and South America via the uplifted western margin of the Caribbean Plate (Central America) was a later event, which peaked dramatically around 2.6 million years (Ma) ago during the Piacenzian age. See also 2010 Haiti earthquake Central America Volcanic Arc Gonâve Microplate List of earthquakes in Guatemala List of earthquakes in Puerto Rico List of tectonic plates Panama Plate References External links Tectonic reconstructions of the Caribbean region NOAA Ocean Explorer Caribbean Plate formation PDF file Geography of the Caribbean Geology of Central America Geology of the Atlantic Ocean Geology of the Caribbean Natural history of Central America Natural history of the Caribbean Tectonic plates Central America and the Caribbean