Evolutionary Tree of Pachyptera (IMAGE) Pensoft Publishers Caption Schematic evolutionary tree of Pachyptera showing main morphological features. Credit Jéssica N.C. Francisco & Lúcia G. Lohmann Usage Restrictions CC-BY 4.0 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.