Mammal fossil

I was walking on the beach looking for seashells, and saw this laying on the beach.

Measuring the fossil

I thought it was some sort of driftwood, but the shape was strange and it looked petrified. I showed it to my boyfriend who said it looked like vertebrae. Because of the color and hardness, we believe it's a fossil. Not sure what kind though!

Fossil Collector: HeathPak

Location: Carolina Beach, North Carolina

[Editor's Note: This mammal fossil looks to be the vertebrae of a seal. The exact age may be difficult to determine unless you were to know the specific geologic formation it came from, but it is likely Miocene which could mean anything from about 5-20 million years.]

5-24 million years old

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Possible crinoid fossil?

Fossil was found on western shoreline of Lake Michigan two miles north of Glen Arbor, MI.

Possible horn coral fossil?

It was mixed in with a variety of stones at the edge of the surf. The circular feature immediately caught my eye.

Fossil Collector: Scott M.

Location: Glen Arbor, Michigan

[Editor's note: Hmm...the top picture certainly looks like the texture of a crinoid fossil. The second picture could be the cross section of a crinoid, but also looks similar to the base of a horn coral. Any thoughts from Michigan collectors?]

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Hmmm...well, it's odd looking.

Found while hand digging a hole for a koi fish pond in my back yard.

Fossil Collector: TimW

Location: Overland Park, Kansas

[Edtor: We're are not even sure this is a fossil, but it is certainly odd. There do appear to be fossil crinoids surrounding it. Have an idea? Please leave a response.]

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Star-like fossil from Missouri

Discovered on a Missouri Creek bank.

Missouri star fossil compared to a penny for size.

A penny shows the relative size of the star.

Fossil Collector: Jennifer S

Location: Southwest Missouri

[Editor's note: Ok...it's odd. It has the obvious look of a fossil starfish, but maybe that is too easy. Does anyone recognize this?]

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Is it a fossil?

Found while hiking in Nova Scotia about 12 years ago. I don't know anything about it or where it was found specifically. The white and black go right through.

Fossil Collector: StephanieL

Location: Nova Scotia

[Editor's Note: It looks like it could be a shell fossil, but we are not ruling out a mineral formation. Any ideas?]

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