Trilobite collecting in Colorado Rockies - Ordivician (Manitou Dolomite) - 2/1/2003

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Tail section of trilobite probably lost during molt (when trilobite sheds its exoskeleton).  Also, unidentified brachiopods
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Tail section of trilobite probably lost during molt (when trilobite sheds its exoskeleton). Also, unidentified brachiopods