Item E Fossil Sonar [Edit] [Talk] It has been requested that image(s) be added to this page or section. Please remove this template once or when image(s) have been added. A Fossil Sonar is an item the player uses in Fossil Fighters to find rocks. After finding a rock, they must travel to the Fossil Center to clean the rock. Retrieved from "https://nintendo.fandom.com/wiki/Fossil_Sonar?oldid=495862" Categories: Item articles Pages needing a quote Class E articles Image requested Fossil Fighters items Community content is available under CC-BY-SA unless otherwise noted.