CALIFORNIA FOSSIL SIXGILL COW SHARK HEXANCHUS TOOTH IN SHARKTOOTH HILL SANDSTONE *STH063

SEE MORE SIXGILL & SEVENGILL COW SHARK FOSSILS This superb, LARGE display piece of original fossil-bearing Sharktooth Hill sandstone contains a RARE partial fossil tooth of the extinct Sixgill Cow Shark Hexanchus andersoni.  The tooth is of...