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The heck is this?


Crankyjob21

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 Some sort of badly damaged arthropod?

Do not know where it was found.

Wavy lined one is around 2 cm in length

 

Thicker one which looks like a head shield is around 1 cm in diameter and one in a half cm in length

5065C187-10B8-487C-9645-CD51AF1ADBCE.jpeg

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yardrockpaleo

Could be a piece of a trilobite. Not positive, though. Some close-ups would be helpful, please.

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Is that from the Platteville, or are you too far east?? I don't recognize the matrix. Part of me wants to say trilobite, part wants to claim brachiopod. 

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Could it be an Archimedes screw bryozoan?

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yardrockpaleo
3 minutes ago, Top Trilo said:

Could it be an Archimedes screw bryozoan?

Not a bad guess. I hadn't thought of that. Sort of like this:

68677-22.jpg

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  • Fossildude19 changed the title to The heck is this?
2 hours ago, Top Trilo said:

Could it be an Archimedes screw bryozoan?

I was thinking the same thing with the 2nd set of pics, but figured I was wrong, so I didn't say anything. :duh2:

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15 minutes ago, daves64 said:

I was thinking the same thing with the 2nd set of pics, but figured I was wrong, so I didn't say anything. :duh2:

It never hurts to throw out an idea, it is either wrong and you learn the right one or your right. Although I should say I still don't know if that is right the first pic doesn't look like it at all and I have no idea for the other item.

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Trilobite seems unlikely for the “segmented” portion.

You may wish to remove some of the matrix to reveal more of the fossil.

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My guess is partially buried trilobite thoracic segments (maybe the rest of the thorax is under some of the sediment), and looks like an inverted glabella + part of the rest of the cephalon. 

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fifbrindacier
6 hours ago, Top Trilo said:

Could it be an Archimedes screw bryozoan?

I agree with that.

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