nhmbryozoa.bsky.social
Invertebrate palaeontologist and bryozoologist at the Natural History Museum, London.
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Watersipora.
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Cheeky, Alberto. I'm waiting for you to post a bryozoan image.
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There's not much to be seen inside most brachiopods but spiriferides have amazing lophophore supports which, as in this example, can be exposed through acid dissolution of the limestone matrix if the skeleton of the brachiopod has been silicified.
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It’s a pleasure.
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Lovely bryozoan but the cribrate colony-form in Stictoporellina with zooids opening on both faces of the colony implies that water didn't actually flow through the openings in the colony. See my diagrammatic cross section taken from DOI 10.1007/s13358-011-0027-2
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It could be a weakly mineralized foliate colony.
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Sorry, I initially only saw the first image. The size looks about right for a bryozoan but a higher resolution image would be great.
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Could be a cheilostome bryozoan but the resolution isn’t good enough to be sure and there is no scale bar as far as I can tell.
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I saw an amazing Traumatocrinus garden attatched to a piece of driftwood from China (this piece is in the Hangzhou Museum of Natural History).
bsky.app/profile/gizm...
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The snail in the top right
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He won’t stop until he finds his dinosaur. And that could be especially difficult as his home is built on Carboniferous rocks.
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Thanks Kevin. I thought that might be the case. The fossil is quite badly weathered and may have been in the wall for a long time.