2026-06-27T15:23:12Zhttps://docta.ucm.es/rest/oai/request

oai:docta.ucm.es:20.500.14352/527452023-08-25T12:49:28Zcom_20.500.14352_14col_20.500.14352_15

Murphy, J. Brendam Gutiérrez Alonso, Gabriel Nance, R. Damian Fernández Suárez, Javier Keppie, J. Duncan Quesada Ochoa, Cecilio Strachan, Robin A. Dostal, Jaroslav 2023-06-20T12:53:12Z 2023-06-20T12:53:12Z 2008 0003-0996 10.1511/2008.70.3639 https://hdl.handle.net/20.500.14352/52745 https://www.americanscientist.org Around the time that the first birds evolved from their reptilian ancestors, between 100 million and 200 million years ago, the Atlantic Ocean was being born. Its creation marked the destruction of the supercontinent Pangea, in which all the land on Earth formed a gigantic, unbroken island surrounded by a worldwide sea. eng open access Tectonic Plates Come Apart at the Seams journal article