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Mazon Creek Fossil ID help please!


Lady_Sif

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We are slowing finding a few things in our freeze/thaws! Please help ID the six posted below. I am very much a novice on this so my guesses are likely not right, but I tried. 

1 & 2: Annularia type? Second pic is how it is also visible from the other plane! It didn't split well, whatever was on top of it crumbled off in the freeze/thaw cycle instead of coming off as a smooth plane so I unfortunately don't have the other half. 

3. Probably nothing? I think it's just an unusual fracture, kids are convinced it's more. 

4. Coprolite? No clue.

5. Stepanospermum konopeonus? 

6. Love this tiny fern! So hard to figure out what kind it is though. Help please! 

7. Could this be a caulopteris? 

THANK YOU! 

PXL_20230423_001846356.PORTRAIT.ORIGINAL.jpg

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PXL_20230422_235634925.PORTRAIT.ORIGINAL.jpg

PXL_20230422_235450409.PORTRAIT.ORIGINAL.jpg

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  • 10 months later...

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

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1/2. Annularia inflata

3. Fracture result

4. Most likely a ?coprolite.

5. ?Stephanospermum konopeonus is what I settled on in your other post. You repeated this specimen here, and the next one which I think is

6. ?Pecopteris vera

7. Possibly ?Caulopteris or ?Rhabdocarpus

 

Again, wait for others to chime in with their thoughts before you make labels.

 

I just noticed this is the older post?

Edited by Mark Kmiecik

 

 

Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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@Mark Kmiecik Thank you so much! Yes, this is a post from last year that went unseen, so I took the two I was most curious about and put them in the new post - fossildude was kind enough to bump both posts with tags. 

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I mostly agree with Mark.

 

1/2.  Annularia inflata

3. Just a suggestive break

4. part of a coprolite

5. Stephanospermum konopeonus (a seed... nice find!)

6. a partial Crenulopteris acadica pinnule

7. i don't think this is anything

 

Cheers,

Rich

 

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Looking at #6 again I have to agree with Rich -- when in doubt, the most common is the most likely.

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Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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Thanks so much @stats! There's a massive learning curve to ID-ing these, so I really appreciate the help. I'm excited to see what comes from this year's batch! 

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