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Showing results for tags 'rhabdocrinus'.
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Just reassembled, crinoid stem with a bit of character. Probably Poteriocrinus sp., or maybe Rhabdocrinus, 20cm long, 10-12mm diameter, in a high energy deposit full of crinoid, bryozoan and brachiopod débris. It's unusually well articulated for this bed which mostly contains smaller broken bits of stems, arms and plates. There's a probably pathological swelling towards the top, above the radices. Last photo shows it as collected - very fragile and the main stem had largely broken into calcite cleavage fragments. Prepping so far was just a matter of letting it dry, then gluing, poking off shale with a needle and scrubbing (wet again) with a toothbrush. I'm letting it dry thoroughly and will then consolidate the sides and base of the block with thin paraloid solution. I might then air abrade a bit. Brigantian, Co. Durham, UK.
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