It’s an eroded conch shell.

Also a horse from that time period is not the horse you see today horses have evolved there were three toed horses that could run thru swampy marshes.

Cows were domesticated from wild ox from the Far East around 10,500 years ago. The tooth you have is fossilized which takes at least 12,000 years. Horse were more populated. It’s a back tooth from a horse the front teeth can be 3 to 4 inches long. Great find!

It’s a old one. 12,000 plus years.

Horse

Looks like you have a nice horse tooth.

Yes , a mouth plate of a puffer fish.

Tilly Bones from a fish.

Tilly Bones from a fish.

Well if this was from the east coast I would say you have a piece of Native American pottery. I have no clue of artifacts from the west coast . But it’s the same pattern of pottery I have found on the east side. Great find!

What area did you fine it.

Same here.

Look up Toad Stones from medieval times. The were thought to be able to protect the holder from poisoning. It a mouth plate from a fish that would crush shell fish for the food.

It’s hard to tell without dimensions. Or where it was found. But from the picture it looks like a whale ear bone.

From the angle of the picture it looks like a piece of turtle shell.

I believe it’s a crab claw.

What is the base material. And where was it found?