The Natural Canvas Fossils / 5536 Fossil Echinoderms - Echinoids, Crinoids, Cystoids, Carpoids, Starfish and other extinct forms Purchase here: ncanvas@aol.com

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Cystoid

Ordovician, Ashgill Series, Wales

26mm wide unidentified cystoid in 54mm of matrix. Includes part and counterpart slabs.

$29