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Napoleon North

Jellyfish fossil?

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Napoleon North

Hi 

 

 

This is jellyfish fossil?

Age: Cretaceous , Campanian

Location: Southern Poland

IMG_0038.JPG

IMG_0040.JPG

IMG_0035.JPG

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Fossildude19

Maybe a rudist?

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jpc

cross section of something shelly is my guess.  certainly not a jellyfish.  

 

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Fossildude19
6 hours ago, EMP said:

Maaaayyyybe. Most jellyfish fossils are nothing more than faint mineral stains or slight depressions/elevations in the rock, so it's not impossible. Better pictures would help, but my best guesses other than jellyfish are crinoid cross section, coral cross section, or a rudist. 

 

I highly doubt jellyfish. :unsure: 

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-Andy-

I can't tell what it is either, but I am quite certain that's not a jellyfish as I see hard parts on that fossil.

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doushantuo

 

younglished.pdf

No fossilized scyphozoan/medusa,I think.

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Fossildude19
8 hours ago, EMP said:

I'm not saying it is jellyfish, just that mineral stains like that are how they are commonly preserved. Unless it isn't a mineral stain?

 

I don't think it's a mineral stain - looks like shell-like material embedded in the rock. 

 

IMG_0038.JPG.4aea1baadb7a21d9ea2830ecf6f5cce7.JPG

 

Mineral stains are usually much more amorphous, ... and not so detailed.

It's also obviously quite worn.

@abyssunder's ID seems like a close possibility.

Regards,

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abyssunder

I could be wrong, but try to compare the patterns. Sponge embedded in matrix would be my thought. (Other comparable patterns?)

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