Texas A&M Tree of Life (IMAGE) Texas A&M University Caption Foley’s efforts in the research produced the world's largest mammalian phylogenetic tree to date. The “mammalian tree of life” maps out the evolution of mammals over more than 100 million years and is crucial to the goals of the Zoonomia Project. Credit Texas A&M University Usage Restrictions Use with credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.