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Interesting coprolite


belemniten

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Hi guys, 

 

I normally collect only bones but in the layers where I collect them, coprolites are also often abundant. But mostly they are not very well preserved so I don't take them with me. This one is the best one I found so far and I wonder if it might be possible to find out which animal "produced" it ;) It comes from the so called "Grenzbonebed", which is a triassic layer between Muschelkalk and Keuper. Its approximately 4 cm long. 

 

1.thumb.JPG.a86a4c3801f93f982d8ea3134cf7f8c5.JPG

 

2.thumb.JPG.488ec1bfbbf7f02b726d1ab333b7f489.JPG

 

3.thumb.JPG.b743c36206fe7605a3c2be4992a79117.JPG

 

1585347523461_4.thumb.JPG.5f1b237926e2e01b57223471c75712af.JPG

 

It would be great if someone can help here. Maybe @GeschWhat? My personal guess would be that it comes from a fish (maybe shark)...

Thanks and stay healthy! 

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Many greetings from Germany ! Have a great time with many fossils :)

Regards Sebastian

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2 hours ago, belemniten said:

coprolites are also often abundant. But mostly they are not very well preserved so I don't take them with me.

WHAT??? You leave them behind??? :D

 

I'm getting an arthropod vibe as well. That ridge along the edge isn't something you would see on a coprolite. On the top left in the second photo, it looks like something might have been gnawing on it. Interesting though. 

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7 hours ago, GeschWhat said:

 

WHAT??? You leave them behind??? :D 

Yes normally... nearly in every single stone is at least one :D 

 

Thanks for the interesting and helpful thoughts! I am not sure if arthropods even occur in this layer.  Maybe @Pemphix can help here? 

Many greetings from Germany ! Have a great time with many fossils :)

Regards Sebastian

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No arthropods in these layers, to much energy (bonebed) during building-period.

This is a broken part of a bone from stereospondylic amphibium.

You can easily see the ornamentation which is typically.

This narrows it down to the skull region or the clavicula/interclavicula.

My guess would be a skull-fragment from the skull-roof somewhere in the back region near neck (squamosal, tabular,..).

Why do you think it is a coprolite ?

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4 hours ago, Pemphix said:

No arthropods in these layers, to much energy (bonebed) during building-period.

This is a broken part of a bone from stereospondylic amphibium.

You can easily see the ornamentation which is typically.

This narrows it down to the skull region or the clavicula/interclavicula.

My guess would be a skull-fragment from the skull-roof somewhere in the back region near neck (squamosal, tabular,..).

Why do you think it is a coprolite ?

Many thanks! 

I thought that it's a coprolite, because of the structure. I have never seen a bone like that... 

Many greetings from Germany ! Have a great time with many fossils :)

Regards Sebastian

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