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Crazyhen

Stomach fossil????

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Crazyhen

This is a fossil from Guizhou.  One could see some bones belonging to ichthyosaur but there is another more puzzling thing there, it looks like a stomach, even with seemingly partially digested ammonites (not the intact one nearby).  Any idea if it is really a stomach fossil?

0F5C419A-4851-4E36-A757-95BC30F4126D.jpeg

93BBEF5B-F283-4F18-A631-D2EB4D75E89E.jpeg

B197A404-886D-4B7D-AD0E-0151CF45BA88.jpeg

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GeschWhat

It sure does have the right shape. Can you provide more closeups?

 

@Carl here is a fun one!

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GeschWhat

What is that below it?

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Crazyhen
7 minutes ago, GeschWhat said:

What is that below it?

Bones of ichthyosaur.  Like the one below.

KTHX3515.JPG

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Crazyhen
10 minutes ago, GeschWhat said:

It sure does have the right shape. Can you provide more closeups?

 

@Carl here is a fun one!

I am sorry but I only receive these few photos.  Is it really possible to have stomach fossil?

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GeschWhat
41 minutes ago, Crazyhen said:

I am sorry but I only receive these few photos.  Is it really possible to have stomach fossil?

It is. But I think this might be stomach contents rather than the stomach itself. I am no expert, but I know ichthyosaurs had a taste for squid (see here). If there are ichthyosaurs bones are present it could be the stomach contents from that animal. If it is unassociated, it could be the stomach contents from a soft bodied animal like a squid. They are know to eat other squids, so why not ammonites. You would need much better photos to confirm this, but if this is something you are thinking of buying, I would buy it just to get a closer look. :)

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Walt

The presence of tiny hooks from a squid diet seems to be the common denominator in determining if it is the stomach from an ichthyosaur fossil.

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Wrangellian

Maybe a coprolite? But I assume you would have thought of that possibility already, Lori. I'm just not sure how to tell if it is the intact contents of a stomach rather than a turd.

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Carl

Wow... Very odd. Can't really form an opinion about with without closeups and maybe more prep.

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Walt
11 hours ago, GeschWhat said:

but I know ichthyosaurs had a taste for squid (see here)

apologies, Lori, I did not realize I posted virtually the same article as was in your link :doh!:

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GeschWhat
On 7/17/2018 at 8:20 AM, Walt said:

apologies, Lori, I did not realize I posted virtually the same article as was in your link :doh!:

No need to apologize. Great minds...lol? :)

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