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Dominic Poole posted an image in the group Eclectic Echinodermata from the myFOSSIL app 3 years, 1 month ago
3 years, 1 month ago3 years, 1 month agoI believe these are crinoud calyxs as well. Both were found in the birdsong formation and are devonian in age.
Greetings @dominic-poole ! Your specimen on the left contains assemblage of fossils, which would seem consistent with a limestone or chert matrix. From what I can tell, I see a crinoid calyx and several brachiopod shell fragments.
@matthew-gramling thank you for the help.