Family Tree of Bacteria and Archaea (IMAGE) University of California - Davis Caption A family tree showing representatives of the major groups (phyla) of microbes in different colors. Names in red are the first 56 genomes sequenced for the Genomic Encyclopedia of Bacteria and Archaea. This group represents a broader sampling of the “Tree of Life” than has previously been achieved. Credit Jonathan Eisen, UC Davis Usage Restrictions This image may be reproduced with acknowledgment. License Licensed 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.