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. PLOS ONE 8(4): e59855. doi:10.1371/journal.pone.0059855. Usage Restrictions With credit to source. 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.