Schematic Diagram (IMAGE) Proceedings of the National Academy of Sciences Caption This is a schematic diagram showing the relative timing of the expansion of mammal communities along three ecological axes, the ecological rise to dominance of flowering plants, and taxonomic diversification of non-avian dinosaurs. Credit Meng Chen, Caroline A.E. Strömberg, and Greg Wilson 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.