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Rbht
Hi all, I know nothing about fossils, but wondered if you could help me identify this, if it’s even a fossil!  Click image for larger version - Name: image.jpg, Views: 33, Size: 195.01 KB
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estwing
Hi there
I'm afraid it's just a pebble with recently encrusted Serpulae tubes - not fossil
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Barrow Museum
Not a fossil, I'm afraid, but a nice example of a recent serpulid worm tube colony adhering to a pebble of dark rock (could be volcanic lava (basalt) or maybe limestone).  The worm secretes the calcite tube in which it lives permanently, capturing food in suspension in the seawater by means of a fan-like filtration device.  Although this one is recent, they do occur as fossils in marine sediments as old as the Permian, deposited over 250 million years ago, and are often found attached to fossil shells.
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Rbht
Thanks for the replies both, that’s really helpful 🙂
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Rbht
Thanks for the replies both, that’s really helpful 🙂
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