| The photograph is courtesy n person who goes by the online name of "wildjed." This is a freshly dug mako shark tooth from the Middle Miocene Round Mountain Silt Member of the Temblor Formation, approximately 16 to 15 million years old. |
| The photograph is courtesy n person who goes by the online name of "wildjed." This is a freshly dug mako shark tooth from the Middle Miocene Round Mountain Silt Member of the Temblor Formation, approximately 16 to 15 million years old. |