DINOSAURS ROCK Fossil Shark Tooth Necklace with White Puka Shell Beads - 18" - 21" Adjustable Length Way cool fossil shark tooth necklace with white puka shell beads Real Fossil shark tooth - silvertone wire-wrapped 18" - 21" adjustable length with silvertone lobster clasp Beads throughout length of necklace Mackerel fossil shark tooth (otudus oblique) found in N. Africa