Analyzing Shell Shape Reveals Variation in Modern, Fossil Turtles (image) Florida Museum of Natural History Share Print E-Mail Caption Natasha Vitek used a technique known as geometric morphometrics to plot turtle shell shape into a series of coordinates. This helped her analyze fossil and modern shells to better understand the variation of eastern box turtles over time. Credit Natasha Vitek / Florida Museum Usage Restrictions Please credit Natasha Vitek / Florida Museum 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.