Image 1 (IMAGE) Florida Museum of Natural History Caption Researchers found that frogs from the genus Eleutherodactylus are geologically the oldest Caribbean vertebrates to be found in Florida. Credit Florida Museum of Natural History photo by Kristen Grace 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.