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Shrimp or dragonfly?


Sizev_McJol

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Greetings, all! I’m new here, but very appreciative already for this forum. I’m an amateur fossil hunter, collector and paleoartist, and I recently decided to organize and catalogue all of my fossils, which will take a very, very long time. Hence I’ll likely be posting quite a bit in this section... so here’s my first conundrum:

 

It’s from Mazon Creek, Illinois. It looks like a shrimp, as I have a few to compare it with, but certain features of the rock give the impression of wings, so I start to see a dragonfly-esque shape. Any thoughts? Thanks! 

 

 

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Shrimp. Notice the cavity under a convex carapace. I can't see a wing doing that.

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5 minutes ago, Rockwood said:

Shrimp. Notice the cavity under a convex carapace. I can't see a wing doing that.

Yes, that does makes sense. Thank you! 

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Looking at the surface, I can see where the OP can see both. I certainly do.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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I also agree with shrimp, and it looks like the tail tail section was folded over on itself.

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Welcome to the forum from Maryland! Many a time has it been when I ask myself, “shrimp or dragonfly?” However, this is usually at a very shifty sushi restaurant....:P

Nice fossil:dinothumb: 

Happy hunting,

Mason

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