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Elbert

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MEMO0008 (3).JPG
Hello, found this two weeks ago, just made photo and left it in situ.
Upper Pliensbachien, hawskerense subzone.
Could not sus out what it is...
Who can?

greetings, Bert


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CurtKnap

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Reply with quote  #2 
Bert - What's the scale?
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Elbert

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Hello, sorry, no scale...
Lenght of fossil just under 4 inch.
Photo is approx the real size.

greetings, Bert

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TOARCIANJOHN

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Reply with quote  #4 
Hi Elbert, That's a query specimen. Looks like a leaf but is not. The age is problematic for a holothuroid altho similar found in Jurassic rocks in Germany. Alternative is a chiton. I have never seen similar in the Upper Pliensbacian so try emailing Mike Howarth at the NHM.
gOOD LUCK, TOARCIANJOHN

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TqB

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Reply with quote  #5 
Crushed Pleuroceras in vertical orientation?
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Elbert

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Hello, I do not think it is a chiton; @ Toarcian John; can you PM me an email adress for Mike?

greetings, Bert

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Elbert
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Elbert

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Reply with quote  #7 
Hello, it is no crushed Pleuroceras either; it may be the imprint of one landing in the substrate, but I doubt it...

greetings, Bert

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Elbert
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deltapodus

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Reply with quote  #8 
Hi, Bert. Your mystery find reminds me of one I found at Port Mulgrave - Rosedale Wyke if I recall right (although I didn't know its name back then) - photo below: That's the upper surface you're looking at. I've never had an explanation I considered satisfactory, but my best guess is that's the internal mould from a vertically preserved ammonite. My mystery object looks as if it would fit into yours as if one was a mould and the other a cast. Here's hoping both mysteries are solved.



mystery.JPG 


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Matchufella

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Reply with quote  #9 
A new mystery for me is: What is going on with that ruler? :-D
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fossilman

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Reply with quote  #10 
Elbert

Difficult to see on the picture but it seems to have some texture like the back of a lobster. Could it be part of a crushed crustacean of some sort?
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Elbert

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Hello, no, it doesn`t have the structure of a crustacian, moment I saw it I thougt it resembeled a (see trough) laurel leaf.
Wich it isn`t is off course...allthough could it be a plant fossil?
This one really has me stumped.

greetings, Bert

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Elbert
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deltapodus

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Reply with quote  #12 
A quick question, Elbert. Looking at the photo, it looks just to be an impression - was there any material preserved in the imprint or is it just an imprint?
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TOARCIANJOHN

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Elbert,  is this your pm name. not sure my reply sent

TOARCIANJOHN.  

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Elbert

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Reply with quote  #14 
Hello, yes, it was just an imprint.
And, no, I have not received any PM`s

greetings, Bert

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Elbert
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fossil mad

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Reply with quote  #15 
try filling it with silicone sealant,then remove it when set.  Then you will have a 3D mould of it.might be easier to ID it then
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Elbert

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Reply with quote  #16 
Hello. @ John; got the PM, have sent reply.
@ fossilmad; that wil not be easy with me in Holland and the fossil still in situ in North Yorkshire...

greetings, Bert

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Elbert
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Reply with quote  #17 
Could this be a Pinna sp. bivalve?
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