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286 Views 1 Reply Last post: Jul 9, 2013 3:06 PM by keith little RSS
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Jul 1, 2013 9:47 PM

June 9th Fossilised Animal part?

For some reason I cannot reply directly to this discussion so I will try a new approach.

 

Ash - an excellent close up I wish I could take them as good.

Keith is right, it is a bivalve called Pinna lanceolata.

It has spent some time in the beach system and has become water rolled, you can find them the full length of the Holderness coast unfortunately usually in this condition.

I have seen a large assemblance of similar specimens in the Lower Jurassic rocks of Robinhoods bay but I think your specimen came from the Upper or Middle Jurassic - Malton Scarborough ? area.

Deposited on the Holderness coast as an erratic by a receding glacier thousands of years ago.

I was lucky to find the specimen in the image below on the Holderness coast many years ago.

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    Jul 9, 2013 3:06 PM (in response to Tabfish)
    Re: June 9th Fossilised Animal part?

    Tabfish

    Thanks for lending us your local knowledge, I'm sure you have solved the puzzle.

    This one had been annoying me for some time & #I had given it up.

    I was stuck with thinking it was an Inoceramus type of bivalve, mainly because of the section through the inside edge of the shell (seen in the second image) plus looking at it overall it seems to show growth lines, but as i was unable to find anything that had exactly the same kind of texturing on the shell i couldn't prove what i was thinking.

     

    Cheers

    Keith

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