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nomadiclifeguide

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Reply with quote  #1 
Found this in one of my "will deal with it later" bags, I think it's from port mulgrave, at least it's from Yorkshire.
DSCN7202.jpg  DSCN7203.jpg  DSCN7204.jpg  DSCN7205.jpg 


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prep01

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Reply with quote  #2 
Ammonite keel is all I can think it might be.
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nomadiclifeguide

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Reply with quote  #3 
We are fairly familiar with YC material and I'm pretty certain this is bone. It's not ammonite keel, look at picture 3, it is throughout the specimen.
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Brittle Star

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Reply with quote  #4 
Colin

I thought ammonites keel before I saw your post, very worn. I do not see evidence of any bone like honeycomb structure or any defined edges of one.

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Elbert

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Reply with quote  #5 
Hello, this looks like remains of the fins of a sturgeon known as Gyrosteus sp. a common find from this location.
That these remains do not look like bone on first glance is because Gyrosteus had a cartilage skeleton of wich only the hardened parts would fossilize, similar to sharks vertebra.
Still a nice find!

greetings, Bert

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nomadiclifeguide

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Reply with quote  #6 
Thanks everyone, its been hanging around for ages and we had no idea really. Will probably take it to show to Byron or Mike in Yorkshire, easier to get an ID when its 'in the hand'.
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TqB

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Reply with quote  #7 
I agree with Bert that it's Gyrosteus fin.
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AndyS

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Reply with quote  #8 
Yes, definitely Gyrosteus. I have a very similar specimen.
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nomadiclifeguide

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Reply with quote  #9 
Thanks for your replys. Is this worth prepping and if so how?
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Rob

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Reply with quote  #10 
to-me-it-looks-like-a-giant-echinoid
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