50.7 MB (4.4 MB compressed)
4927 x 3600 pixels
41.7 x 30.5 cm ⏐ 16.4 x 12.0 in (300dpi)
KEN LUCAS, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY KEN LUCAS, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY
Early Echinoderm fossil ( Gogia spiralis) five hundred and twenty million years ago during the Cambrian period. Millard County, Utah.
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