Turtle (1 of 2) (IMAGE) California Academy of Sciences Caption Turtles -- like this alligator snapping turtle Macrochelys temminckii -- are a diverse group of animals with a hotly contested evolutionary history. Researchers from the California Academy of Sciences used a next-generation genetic sequencing technique to reconstruct a robust turtle 'tree of life' and fill-in existing knowledge gaps. Credit The California Academy of Sciences Usage Restrictions None 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.