Figure 2
Temporal distribution of investigated faunas and their diversity patterns through time, in correlation with different relevant environmental and faunistic events. Richness, extPC per capita extinction, oriPC per capita origination. Yellow background: coolhouse climate regime; blue background: icehouse climate regime. Black silhouette: first appearance datum (FAD) of North American immigrants in southern South America; white silhouette: last appearance datum (LAD) of autochthonous lineages in South America. New dates and chronological age inferences are in pink. Temperature curve from ref.89. Atom icon was taken and modified from commons.wikimedia.org, designed by Indolences; magnet, snowflake, iceberg and mountains icons were taken and modified from pixabay.com, designed by OpenClipart-Vectors (first two), madartzgraphics, and Radoan_tanvir respectively; meteorite icon was taken and modified from thenounproject.com, designed by icon 54; and representative silhouettes of camelids, equids, procyonids, cricetids, tayassuids, sparassodonts, terror birds, mustelids and canids were taken and modified from philopic.org; and were designed by Steven Traver (first two), RS, uncredited designer, An Ignorant Atheist, Zimices, and Ferran Sayol (last three) respectively. All icons and silhouettes are licensed under Creative Commons Attribution 4.0 Unported license (http://creativecommons.org/licenses/by/4.0/).
