Pterosaur Holotypes (image) Pensoft Publishers Caption The holotypes of the species recognized as valid by the researchers, put to the same scale, illustrate how diverse this pterosaur fauna was. Credit Dr. Taissa Rodrigues & NHMUK PV 39412, NHMUK PV R 1822, NHMUK PV 39409 and NHMUK PV 43074 - Natural History Museum. Usage Restrictions CC-BY 3.0 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.