A phylogeographic image of poison frogs lineages from South America. Maps on the left show the main biogeographic regions as they change through time and the image to the right shows the frog lineages in context of their biogeographic origins.
Santos JC,  Coloma LA,  Summers K,  Caldwell JP,  Ree R,  et al.
CC BY-SA 2.5
Santos JC,  Coloma LA,  Summers K,  Caldwell JP,  Ree R,  et al. 2009 Amazonian Amphibian Diversity Is Primarily Derived from Late Miocene Andean Lineages. PLoS Biol 7(3): e1000056. doi:10.1371/journal.pbio.1000056