Figure 1 (IMAGE) PeerJ Caption A simplified representation of Symbiodiniaceae speciation, species concepts (SC), and associated biological evidence. Credit CC BY 4.0 Usage Restrictions Credit must be given to the creator. License CC BY 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.