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2.31 inch Fossil Dolphin Tooth (Odontoceti indet.) from Sharktooth Hill, California

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2.31 inch Fossil Dolphin Tooth (Odontoceti indet.) from Sharktooth Hill, California

Availability: Out of stock

Odontoceti indet. (similar to Hadrodelphis)
Extinct Giant Dolphin
Sharktooth Hill, Bakersfield, California
Miocene Period - 15 million years old

Tooth measures : 2.31 inches
(1 in. = 2.54 cm.)

This is an unidentified dolphin tooth. Feeding wear on the tip of the tooth, which is normal for this species, otherwise this specimen is incredibly well preserved. These teeth are commonly mistaken for "Prosqualodon" by many sellers, this tooth is probably from a group of giant kentriodontids and other non-sperm whale dolphins. It most closely resembles specimens found on the American East Coast of Hadrodelphis sp.


The toothed whales (systematic name Odontoceti) are a parvorder of cetaceans that includes dolphins, porpoises, and all other whales possessing teeth, such as the beaked whales and sperm whales. Seventy-three species of toothed whales (also called odontocetes) are described.

Sharktooth Hill is one of the most famous vertebrate fossil sites in the world - a place where roughly 125 species of sharks, bony fishes, sea mammals, sea turtles, marine crocodiles, birds and even land mammals have been found.

The fossils are concentrated in a rather narrow one-to four-foot thick layer in the Round Mountain Silt Member of the Middle Miocene Temblor Formation, which is exposed over several square miles in the rolling foothills of California's southern Sierra Nevada.

Since it’s discovery in 1853, the Sharktooth Hill area has yielded thousands of shark teeth, including the rare giant shark, Carcharodon Megalodon!