The trilobite on this desk was given to me by my wife, “a small notion to bring light into the dark time of year.” Asaphiscus wheeleri, about 1 cm long, nestled within a small white cardboard box atop a square of cotton packing, sits on (and still mostly in) the rectangle of gray Wheeler Shale, from present-day Utah, it was unearthed in. Previously it had lain in the shale bed, encased in solid rock, for five hundred million years.
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