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angiemiles
I found this flint very interesting. There is some flint meal and a fossil embedded in it. Do you think it is a shell?
Just added another photo of the "teeth" with a measurement guide. Angela Click image for larger version - Name: IMG_0333.jpg, Views: 55, Size: 588.02 KB Click image for larger version - Name: IMG_0334.jpg, Views: 53, Size: 532.74 KB Click image for larger version - Name: IMG_0335.jpg, Views: 55, Size: 488.13 KB Click image for larger version - Name: IMG_0336.jpg, Views: 57, Size: 473.64 KB Click image for larger version - Name: IMG_0299.jpg, Views: 53, Size: 274.14 KB
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Barrow Museum
The long cylindrical item, with "teeth", looks like the radiole (spine) of a Cidaroid echinoid (sea urchin).  I have seen a lot of these as casts in loose flints from the chalk of the Chilterns.
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prep01
Hi, I am afraid I don't agree with Barrow Museum's comment - to me it's the wrong shape and size -  would like to see more angles including the 2 little fragments. Photos 2 & 3 look like sponges (the whiter bits), but 4 - no idea!
Colin Huller
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Richard
I agree with Colin about the sponges. The mysterious object looks like a section of degraded bivalve shell.
Richard
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angiemiles
Thank you for your responses.
I have taken some further pictures of the fossil in flint for your consideration.
jpeg 17 is another piece of shell at a different place in the flint. When you look closely at the "teeth" they have the look of enamel. pictures don't show this very well.
Angela Click image for larger version - Name: Image23.jpg, Views: 10, Size: 216.10 KB Click image for larger version - Name: Image22.jpg, Views: 12, Size: 150.25 KB Click image for larger version - Name: Image21.jpg, Views: 13, Size: 187.54 KB Click image for larger version - Name: Image20.jpg, Views: 13, Size: 207.07 KB Click image for larger version - Name: Image19.jpg, Views: 11, Size: 186.23 KB Click image for larger version - Name: Image18.jpg, Views: 11, Size: 159.36 KB Click image for larger version - Name: Image17.jpg, Views: 16, Size: 260.49 KB Click image for larger version - Name: Image16.jpg, Views: 15, Size: 237.29 KB Click image for larger version - Name: Image15.jpg, Views: 14, Size: 252.36 KB Click image for larger version - Name: Image14.jpg, Views: 11, Size: 253.23 KB Click image for larger version - Name: Image13.jpg, Views: 11, Size: 369.20 KB
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TqB
I think cidarid radiole is right, the cleavage and "teeth" fit, and the ridges in the impression at one end. Look at "Temnocidaris spine" for example.
Tarquin
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TqB wrote:
I think cidarid radiole is right, the cleavage and "teeth" fit, and the ridges in the impression at one end. Look at "Temnocidaris spine" for example.
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prep01
Hi Anonymous! - you have quoted Tarquin, but not commented on it!
Colin Huller
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