SWMOnaturalist Posted December 8, 2020 Share Posted December 8, 2020 Wondering if this is some sort of sea-star sponge? From what I researched? Quote Link to post Share on other sites
DPS Ammonite Posted December 8, 2020 Share Posted December 8, 2020 (edited) You have an external mold of a crinoid calyx. A person familiar with the area or a crinoid expert may be able to narrow it down to a family or genus especially if you know the exact age or formation that it came from. Edited December 8, 2020 by DPS Ammonite 1 Quote Link to post Share on other sites
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