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Devonian finds


Misha

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Here are a few finds from my first trip to Penn Dixie not sure exactly what these are.

The first is a spiriferid brachiopod but I would like to confirm that what is on it is a crinoid holdfast or is it something else?

IMG_20190717_190903.jpg

IMG_20190717_190911.jpg

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And two cephalopods that I do not know the genus or species of,

Also does anyone know what that small ring on one of them could be?

IMG_20190717_190814.jpg

IMG_20190717_190827.jpg

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Your last item looks to me to be a horn coral.

“...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin

Happy hunting,

Mason

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3 minutes ago, WhodamanHD said:

Your last item looks to me to be a horn coral.

That the small circle is on ?

Not sure it is a cephalopod, but I don't think it is a horn coral.

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12 minutes ago, Rockwood said:

Not sure it is a cephalopod, but I don't think it is a horn coral.

I thought these could be spyroceras or close relatives.

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18 minutes ago, Misha said:

I thought these could be spyroceras or close relatives.

:shrug:

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27 minutes ago, Misha said:

I thought these could be spyroceras or close relatives.

Your thought seems likely correct. I’ve collected similar nautiloids from that shale.

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Hi Misha!

 

Nice Penn Dixie finds! 

 

I've never found a crinoid holdfast there before - congrats on finding one yourself, and attached to a nice brachiopod, no less! :dinothumb:

 

Your second specimen is indeed a lingulid brachiopod - the one I have listed as being somewhat common at PD is Orbiculoidea sp., although your specimen looks a bit longer/more oval than what I'm used to seeing from PD - I'm not sure if that makes a difference, but there you have it! :)

 

As for your last item - I agree that it looks like a piece of the orthoconic nautiloid Spyroceras sp.  Here's a picture of one that I found from PD that looks similar to yours - the piece on the left is the negative and the piece on the right is the positive:

DSCN1837.JPG.290daa35fe481e25aab0e38b4fa50481.jpg.c25e7165eb1d04c81b1d3020600c1e80.jpg

 

Thanks for sharing your fossil finds with us!

 

Monica

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  • 3 months later...

Hello everyone,

It has been a while but I wanted to give an update on the lingulid brachiopod,

I have cut off much of the matrix and did a bit of hand prep on the fossil.

IMG_20191115_174719.jpg

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9 hours ago, Misha said:

I have cut off much of the matrix and did a bit of hand prep on the fossil.

That was brave. The crack looks rather ominous. :)

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Came out pretty good. :) 

Nice lingulid. 

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Lovely lingulid. :wub:

I really like the crinoid holdfast on the spiriferid too. 

Orbiculoidea media is pretty round and though Orbiculoidea doria can sometimes be more elongate I think this is actually Lingula sp. 

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Hi Misha, those are great finds, specially the crinoid holdfast on a spiriferid.:default_faint:

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1 minute ago, fifbrindacier said:

Hi Misha, those are great finds, specially the crinoid holdfast on a spiriferid.:default_faint:

 

3 hours ago, Tidgy's Dad said:

Lovely lingulid. :wub:

I really like the crinoid holdfast on the spiriferid too. 

Orbiculoidea media is pretty round and though Orbiculoidea doria can sometimes be more elongate I think his is actually Lingula sp. 

 

3 hours ago, Fossildude19 said:

Came out pretty good. :) 

Nice lingulid. 

Thank you guys, it's too bad most of the lower part on the beach was missing

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