Fossil Map (IMAGE) University of Texas at Austin Caption This is a global distribution of lagerstätte preserving integument (body coverings) of land-dwelling vertebrates. Filled circles correspond to the rough number of lagerstätte fossils known for all time periods from the area. Credit Image modified from Eliason et al. (2017) PRSB. Usage Restrictions include photo credit License Licensed 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.