Evolutionary Relationships of the Three Fossil Marine Reptiles (image) Lund University Share Print E-Mail Caption This photo shows the evolutionary relationships of the three fossil marine reptiles examined in the study. Note that each lineage independently became secondarily aquatically adapted. Black branches indicate life in the sea, whereas white branches symbolize life on land. Credit Illustration by Ryan M. Carney Usage Restrictions None Share Print E-Mail 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.