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Couldn't identify this lower jurassic fossil


BinMnea

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Hello everyone,

 

I found a punch of these fossils at a particular location of a layer that is believed to be from the Toarcian age.  Some of them were laying freely on the ground, I just picked them up, while others of the same type where cemented into the rocks. 

 

Could you help me identify these fossils? 

 

Thanks! 

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These are clam steinkerns. The sediment that fills the clam lithifies and the clam shell dissolves away leaving a fossil of the inside of the clam.

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4 minutes ago, Al Dente said:

These are clam steinkerns. The sediment that fills the clam lithifies and the clam shell dissolves away leaving a fossil of the inside of the clam.

Al Dente, thank you for your swift reply! 

 

Much appreciated. 

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