The Natural Canvas Fossils / 5474 Fossil Echinoderms - Echinoids, Crinoids, Cystoids, Carpoids, Starfish and other extinct forms Purchase here: ncanvas@aol.com

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Periaster

Paleocene, California, USA

Excellent, large 1.8" echinoid in 3.25" matrix block. VERY rare from the west coast of the United States.

$39