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ID request: Ordovician paracrinoid(?) in facing stone

pefty

By pefty
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pefty Regular Member

pefty

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Echinoderm identification help please! Polished cross-section in the Kimmswick Limestone (Late Ordovician: Katian; Missouri, USA) used as facing stone at Missouri Botanical Garden. Possibly the paracrinoid Implicaticystis (once known as Comarocystites)? Specimen is ~25 mm across.

0A11469C-4EF6-487A-AB95-362B966F543F.jpeg

220BC943-9FDA-442E-868A-80056F524541.jpeg

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Fossildude19 Regular Member

Fossildude19

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May be tough to ID from a cross section.  :unsure: 

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

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