SWMOnaturalist Posted December 8, 2020 Share Posted December 8, 2020 It reminds me of a soccer ball but very small. I was thinking some sort of coral that I haven't seen yet in my research. (I am new to this but I did try to research) Quote Link to post Share on other sites
daves64 Posted December 8, 2020 Share Posted December 8, 2020 Looks like an internal mold of a crinoid calyx. 3 Quote Link to post Share on other sites
Tidgy's Dad Posted December 8, 2020 Share Posted December 8, 2020 I think it's a favositid coral. Quote Link to post Share on other sites
TqB Posted December 8, 2020 Share Posted December 8, 2020 I agree with internal crinoid calyx mould. You can see where the calcite has been dissolved out, and the plates in the middle here show concentric ridged ornament. 4 Quote Link to post Share on other sites
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