Caecilian (IMAGE) University of Queensland Caption Caecilians are a group of limbless, vermiform or serpentine amphibians. Credit Marco Mancuso Usage Restrictions Only to be used with this story. Must be credited. License Original 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.