.9" Fossil Shark (Physogaleus) Tooth - Bakersfield

Here is a unique fossil tooth of a Tiger-like shark (Physogaleus contortus), found at Sharktooth Hill near Bakersfield, CA. It is pathological, featuring a twist towards the tip of the tooth. These teeth have beautiful coloration which is quite distinct to the location. Quite impressive preservation for teeth that are 15.5 million years old. They've been removed, cleaned and then remounted to this sandstone. There are bone fragments within the sandstone as well.

Sharktooth Hill is located in the foothills of the Sierra Nevada Mountains near Bakersfield, California. It represents an exposure of the Temblor Formation, a middle-Miocene marine deposit. 15 million years ago the sea levels were substantially higher and central California was covered by what is known as the Temblor Sea.

There are two highly fossiliferous bone beds in the formation that were created when fossils originally deposited at the bottom of the sea eroded out of the rocks, were concentrated by ocean currents, and subsequently reburied. Because the fossils in these bone beds are reworked, only isolated teeth and bones are found in these beds.

Today, the original Sharktooth Hill is a National Natural Landmark, but there is private property surrounding it on which there are operational pay-to-dig fossil quarries.
Physogaleus contortus
Sharktooth Hill, Bakersfield, CA
Temblor Formation
.9" long
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