Fossils in the genus "Dentalium" are geographically widespread. Rounded or cylindrical beads were also found made of bone, shell, greenstones, carnelian and dentalium. Men had septum piercings with dentalium shell or other jewelry. The mantle of "Dentalium" species is entirely within the shell. Nuu-chah-nulth peoples were the primary harvesters of dentalium shells. Dentalium shells were an important possession for the Shasta. Dentalium shells are highly culturally significant to California tribes. Compared to other native cultures dentalium didn't hold as much financial use among the Klamath. Dentalium shells were common among the Klamath prior to colonization. Athabaskan peoples of Alaska and subarctic Canada incorporate dentalium into jewelry with glass beads. They adorned their garments with Dentalium shell, and skin art was practiced regularly. The major currency of the Yurok nations was the dentalium shell. Septum piercings were commonly given to younger members of Klamath families to allow inserting dentalium. Nlaka'pamux peoples have included dentalium shells in their relatives' burials. Dentalium shell is still used today in Native American and Inuit regalia.