Ancient Lizard Found in Brazil Is Unexpected Missing Link

The missing link in lizard evolution has been found in Brazil. Paleontologists from the University of Alberta discovered the 80-million-year-old fossil remains of a lizard more closely related to the chameleons and bearded dragons — Old World lizards found in Africa and Asia — than to the 1,700 species of iguanas found in South and Central America. The Old World lizards are acrodontal, meaning their teeth are fused to the top of their jaws. The teeth of New World iguanas — their closest...

© La Voix de l'Amérique - mercredi 26 août 2015