tetrapods The Origin of Tetrapods Berkeley - The origin of tetrapods Image Source tetrapods tetrapods Image Source http://evolution.berkeley.edu/evolibrary/article/evograms_04 Image Source Image Source fixation on five in our early tetrapod ancestors http://evolution.berkeley.edu/evolibrary/article/evograms_04 vertebrados aquáticos para o terrestres Image Source fixation on five in our early tetrapod ancestors www.evolution.berkeley.edu The Origin of Tetrapods The origin of tetrapods first tetrapods ambling about on dry land Berkeley - The origin of tetrapods Berkeley - The origin of tetrapods tetrapods http://evolution.berkeley.edu/evolibrary/article/evograms_04 Image Source tetrapods Image Source Tetrapods المصدر tetrapods developed legs and started flopping onto beaches vertebrados aquáticos para o terrestres tetrapods went on land around 370 million years ago