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Is this a fossil?


PaleoPaulz

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PaleoPaulz

I would greatly appreciate any help in identifying this "fossil". This "fossil" was found on the ground in an area where limestone was being dump on the ground for a pad or road.

Central Texas; probably Frio county.  

Thank you.

Texas fossil4.jpeg

Texas fossil3.jpeg

Texas fossil2.jpeg

Texas fossil1.jpeg

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It has enough of a fossil 'feel' to it that I suspect it may be the remnant of a mold fossil of some sort, but as it stands now I can't identify it as a fossil.

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It sure does have an interesting shape, but my guess is a weather and water-worn stone.

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Fossildude19

Weathered limestone. 

 

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Picked up many things like this here in Central Texas.  All have been just oddly weathered limestone.  They can look a lot like bones but were most likely just burrow infill material that weathered free because it was slightly harder than the surrounding matrix. So at best it could have started as a burrow or trace fossil.  The same effect in reverse is why we have so much limestone riddled with holes.

 

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LabRatKing

Looks like a nice bit of concretion to me. I see no reason to believe otherwise. However it may be an ichnofossil such as a burrow...but without details of the source even that is a reach.

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15 minutes ago, abyssunder said:

I'm just wondering if can't be a remnant of a caprinuloid like rudist?

The Texas rule was in my mind. :)

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fifbrindacier

Looks like a concretion to me too. 

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abyssunder
1 hour ago, Rockwood said:

The Texas rule was in my mind. :)

I was sure about that..

I can't see it otherwise. :)

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1 hour ago, Rockwood said:

The Texas rule was in my mind. :)

Doesn't match any rudist shape I know. But yeah that is always one of the first possibilities down this a way.

 

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PaleoPaulz

Thank you for all of your insights. I am leaning towards a concretion.

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