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Sizev_McJol

Horsetail? Ribs? Shell? Prehistoric corset?

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Sizev_McJol

Found this ages ago just lying alongside the road in Illinois... I think it was Illinois... heh... structure looks similar to a calamites horsetail IMO, but the symmetrical succession of the parts is curious. Any ideas? 

CC18E1AE-407D-4762-B062-66E4E7448639.jpeg

41944080-07D7-443A-81C7-DA568707847E.jpeg

0F3F1D77-92AD-45B0-95D0-0C3DC0D1EC76.jpeg

D0E4BF28-220F-470E-A39E-DA25B8757C7D.jpeg

D1B00397-EECA-444B-9E61-101D60BCD084.jpeg

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Tidgy's Dad

Hmmmm. 

Bit of pelecypod or brachiopod shell? 

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ynot

Looks like a print to Me, do not know what could have been there to make it though.

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Herb

Looks like a cephalopod imprint. Based on the rock type (dolostone) it looks like the Silurian Dawsonoceras sp.

Dawsonoceras.jpg

Dawsonoceras-cephalopod-fossil-silurian-period-waldron-shale-clark-county-indiana-usa-with-ruler-other.jpg

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Sizev_McJol
40 minutes ago, Herb said:

Looks like a cephalopod imprint. Based on the rock type (dolostone) it looks like the Silurian Dawsonoceras sp.

Dawsonoceras.jpg

Dawsonoceras-cephalopod-fossil-silurian-period-waldron-shale-clark-county-indiana-usa-with-ruler-other.jpg

D’oh! Geez, now I feel stupid for not thinking of that earlier. I agree with you, Herb. Thank you very much. 

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abyssunder

I can see clearly what Herb is referring to. :)

 

D1B00397-EECA-444B-9E61-101D60BCD084.jpeg.6d0be2cb1cebffe8526ad426966579be.thumb.jpg.3df8c143d2f3aca983c213fb7c82846b.jpgDawsonoceras-cephalopod-fossil-silurian-period-waldron-shale-clark-county-indiana-usa-with-ruler-other.jpg.5157a4d94f9c9723c0f6f371107d573f.thumb.jpg.0b1d9d3c3df7ff154a0b05f7373df805.jpg

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Rockwood

And the epibiont is ?

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WhodamanHD
7 hours ago, Rockwood said:

And the epibiont is ?

I don’t see one, perhaps that’s just my eyes....

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Rockwood

I suppose the only way to be sure is to identify it. 

D1B00397-EECA-444B-9E61-101D60BCD084.thumb.jpeg.3b3e8c2923e129e1bd3761586f5c984c_LI.jpg

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