A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. An October Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Two crown specimen. Excellent preservation and serrations. Extra large root size! The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. Crown tops are repaired. Authenticity guaranteed.
I03 SIZE: 1-1/2" (Root length 6-1/4")
Adding 11 Edestus shark specimens in October 2021. Link to Edestus shark.