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Gmr Id's Needed


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#1 John Hamilton

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Posted 25 November 2011 - 01:52 PM

Hello everyone,
I have a few items from my last (2) trips to Green Mill Run that I need help identifying. Any assistance would be greatly appreciated.

Item #1 (pics 1-6)
Looks like a skull cap with a cranial endocast to me?

Item #2 (pics 7 and 8)
I think this may be a Gar Scale?

Attached Thumbnails

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  • 2011-11-25 11.44.00.jpg
  • 2011-11-25 11.41.33.jpg
  • 2011-11-25 11.51.46.jpg
  • 2011-11-25 11.52.06.jpg


#2 John Hamilton

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Posted 25 November 2011 - 01:59 PM

Item #3 Shark tooth

Item #4 teeth I think?

Item #4 bone/rock or pottery shard?

Attached Thumbnails

  • 2011-11-25 12.18.52.jpg
  • 2011-11-25 12.51.21.jpg
  • 2011-11-25 12.51.59.jpg
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  • 2011-11-25 12.04.56.jpg
  • 2011-11-25 12.05.25.jpg

Edited by John Hamilton, 25 November 2011 - 02:07 PM.


#3 Roz

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Posted 25 November 2011 - 02:06 PM

WOW! I am stunned by what may be the brain endocast.. That is sure what it
looks like to me!! The detail is just amazing!!

What age is that?

#4 John Hamilton

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Posted 25 November 2011 - 02:10 PM

WOW! I am stunned by what may be the brain endocast.. That is sure what it
looks like to me!! The detail is just amazing!!

What age is that?


It is from Greens Miil Run so it may be Late Cretaceous or newer.

#5 Roz

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Posted 25 November 2011 - 03:06 PM

Thanks, John

I cannot wait to hear what others have to say Posted Image
I love that fossil!

#6 Maniraptoran

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Posted 25 November 2011 - 03:15 PM

another brain cast!? :blink: man, some fossil hunters get all the luck.

#7 John Hamilton

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Posted 25 November 2011 - 03:19 PM

Thanks, John

I cannot wait to hear what others have to say Posted Image
I love that fossil!


Me too! As soon as I saw it in the screen I let a yelp that startled my wife. I immediately thought of your post of a similar item. I have been trying to find more info on it but I haven't found anything yet. Hopefully someone will know what it is.

#8 John Hamilton

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Posted 25 November 2011 - 03:25 PM

another brain cast!? :blink: man, some fossil hunters get all the luck.


It was definitely luck or maybe karma since I chose fossil hunting over Turkey yesterday.

#9 RickNC

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Posted 25 November 2011 - 04:43 PM

The first one is fish. I have one pretty much just like it. I doubt its a brain endocast but I could be wrong.

#3 is an interesting tooth for sure. Not sure i've seen one like that before.

#4 on the far right may be a very worn mosasaur tooth.

The last one I think is a rock. We do find pottery in there and it's quite obvious that it is made of clay and usually has tool marks on the sides.

#10 John Hamilton

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Posted 25 November 2011 - 04:55 PM

The first one is fish. I have one pretty much just like it. I doubt its a brain endocast but I could be wrong.

#3 is an interesting tooth for sure. Not sure i've seen one like that before.

#4 on the far right may be a very worn mosasaur tooth.

The last one I think is a rock. We do find pottery in there and it's quite obvious that it is made of clay and usually has tool marks on the sides.


Thanks for the info. Maybe we'll run into each other one of these days and you can show me where the real teeth are.

#11 RickNC

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Posted 25 November 2011 - 05:24 PM

Thanks for the info. Maybe we'll run into each other one of these days and you can show me where the real teeth are.


Privileged info :Bananasaur:

Edited by RickNC, 25 November 2011 - 05:26 PM.


#12 John Hamilton

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Posted 25 November 2011 - 05:53 PM

Privileged info :Bananasaur:


That's what I thought! :(

#13 Al Dente

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Posted 26 November 2011 - 07:04 AM

I agree with RickNC that the first item is fish, more specifically hyperostosed fish skull. I've never seen one exactly like it but the general outline is similar to some I have seen. If you go to www.elasmo.com and go to the Lee Creek section and click on Teleosts, you will see several types of hyperostosed fish skulls. I think your shark tooth #3 is a badly worn Serratolamna serrata.

#14 Roz

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Posted 26 November 2011 - 09:31 AM

YAHOO! I was hoping that is what he found! :D

CONGRATULATIONS, JOHN!!!!

#15 tommcclees

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Posted 27 November 2011 - 04:12 AM

Here are a couple of my Green Mill Run finds that are similar to item #1.
Posted Image

#16 Roz

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Posted 27 November 2011 - 10:56 AM

Here are a couple of my Green Mill Run finds that are similar to item #1.
Posted Image


Yes looks like brain material to me.. Yours reminds me of the
of the parasphenoid bone, forming the roof of the mouth. I think
John's shows the whole brain.. Keep in mind I am not an expert..

I sure wish the Green Mill Run was closer.. Brain material is my favorite all time fossil!
I'll bet there are more to find there too..

Way cool find!

#17 Xiphactinus

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Posted 27 November 2011 - 12:24 PM

agreed on the endocast! Woot!!!

#18 John Hamilton

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Posted 27 November 2011 - 06:28 PM

I agree with RickNC that the first item is fish, more specifically hyperostosed fish skull. I've never seen one exactly like it but the general outline is similar to some I have seen. If you go to www.elasmo.com and go to the Lee Creek section and click on Teleosts, you will see several types of hyperostosed fish skulls. I think your shark tooth #3 is a badly worn Serratolamna serrata.


Thanks for the confirmation on the fish skull I.D. :D I'm still undecided on the tooth I.D. though I need to see a few more samples of Serratolamna serrata to be sure.

#19 John Hamilton

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Posted 27 November 2011 - 06:29 PM

YAHOO! I was hoping that is what he found! :D

CONGRATULATIONS, JOHN!!!!


Thanks Roz! I'm doing the brain dance now! :jig:



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