Richly Fossiliferous Freshwater Limestones in the Riversleigh World Heritage Area (image) Society of Vertebrate Paleontology Share Print E-Mail Caption This shows richly fossiliferous freshwater limestones in the Riversleigh World Heritage Area. Credit Photo by M. Archer. 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.