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samwood120
I found this at Bracklsham Bay recently and although it’s very weathered could make out some patterns and thought it was an Echinoid, I studied Geology at college however i’m no expert so I was wondering if someone could identify this further? Also if it is an Echinoid is it unusual to be found on Bracklesham? Click image for larger version - Name: E4898E7C-DC1F-446C-B326-390691887BCF.jpeg, Views: 45, Size: 1.98 MB Click image for larger version - Name: 353780C4-C897-43EB-8C10-855D649803BE.jpeg, Views: 43, Size: 1.74 MB Click image for larger version - Name: C83D02DC-50E7-49B1-96BF-E400508048EE.jpeg, Views: 42, Size: 2.02 MB Click image for larger version - Name: 1B0CE8CE-E1F4-4702-8ACF-E498FFDD0935.jpeg, Views: 41, Size: 2.20 MB Click image for larger version - Name: 368CFDA0-5C41-4E78-B5E8-B20AD55D3DAA.jpeg, Views: 39, Size: 2.45 MB
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MicroFossilMan
Hard to be sure, but yes it does look like an echinoid, with the classic five-fold symmetry showing on the underside.

It won't be native to Bracklesham Bay, but presumably has drifted down from the chalk further up the coast, or maybe even over from the Isle of Wight - not sure what the tides do around there.
MFM
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prep01
Hello and welcome to the forum. Yes it is an echinoid but too battered to give even a genus.
Colin Huller
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samwood120
Okay, thanks for the help
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Chalkers
It looks like a Conulus echinoid (probably C. albogalerus as it looks more conical, but it's too worn for me to say). Conulus is a relatively common echinoid in some parts of the chalk of Sussex but finding a nice specimen with the calcite test intact is less common in my experience. The echinoid you have in an internal cast whereby the echinoid test (shell) had been eroded or weathered away. Like Microfossilman and Prep01 had said above, the fossil belongs to the white chalk subgroup; the flint shingle at the top of the beach all comes from the chalk too.
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