Gilbertese Shark Tooth Weapon (IMAGE) PLOS Caption This image shows an example of a Gilbertese shark tooth weapon (FMNH 99071). Credit Drew J, Philipp C, Westneat MW (2013) Shark Tooth Weapons from the 19th Century Reflect Shifting Baselines in Central Pacific Predator Assemblies. <i>PLOS ONE</i> 8(4): e59855. doi:10.1371/journal.pone.0059855. Usage Restrictions With credit to source. 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.