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Emmascottydog
Can anyone identify this fossil we happened to come across which has been sitting and acting as a door stop, it came from the North Norfolk coast. It is roughly 7cms
Many thanks
Emma Click image for larger version - Name: C01B0A48-BF48-44EF-B218-E823003B3DD6.jpeg, Views: 55, Size: 474.11 KB
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Barrow Museum
Emma,
You have the impression in flint of a Belemnite, which is a part of the internal skeleton of an extinct type of squid that lived through the Jurassic and Cretaceous Periods.  The actual fossil would have been a bullet-shaped calcite cylinder; pointed at one end and with a conical hollow at the other.  You can easily look these up online to gain more insight into the creature from which it originated.  Being in flint, it must have lived during the period when the Chalk was being deposited, so is probably around 80 million years old, although a little older or younger is also possible. Although they are not particularly rare, to find one in flint is quite unusual.
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Emmascottydog
Thank you very much how amazing, that will no longer be a door stop, it will be put with pride on our windowsill.
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s.c.
To add to Barrowmuseum’s reply, the point within the flint may be the fossilised phragmocone (flotation chamber) of the belemnite rather than just a cast of the hole that it filled. I had a rather lively calcite phragmocone from that part of the world last winter 😊
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