Ossicle Posted May 15, 2022 Share Posted May 15, 2022 (edited) Jurassic, Callovian, Oxford Clay, near Yaxley, Cambridgeshire. The first fossil I picked up thinking it was a new echinoid spine, but under the microscope its structure looks quite different to the others I've found, and I'm wondering if it might be part of a fish spine. Those are my two best candidates for this. I would appreciate any opinions or suggestions. The second I think is the mould of a belemnite phragmocone, with some of the aragonite still attached. Every second bar on the scale is a mm. Edited May 15, 2022 by Ossicle 1 1 Link to comment Share on other sites More sharing options...
Fossildude19 Posted May 15, 2022 Share Posted May 15, 2022 I agree the second looks like a phragmacone. Not sure on the spine, though. Very cool little finds. 1 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
abyssunder Posted May 16, 2022 Share Posted May 16, 2022 I think you are correct in the IDs. Echinoid spine and belemnites phragmocone 1 " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Ossicle Posted May 16, 2022 Author Share Posted May 16, 2022 Thank you both. I haven't seen a phragmocone preserved quite like this before, or found an echinoid spine as elaborate as this one, so it's reassuring to have your input. Link to comment Share on other sites More sharing options...
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