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

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Possibly Leiostegium (Manitouella) ulrichi n. subgen. See Berg & Ross (1959), Plate 22, Fig 9. Needs prep work. Pygidium still buried with cranidia mostly revealed. Images of the best trilobite found on 2/1/2003. Note trace fossil trail behind bug.
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Possibly Leiostegium (Manitouella) ulrichi n. subgen. See Berg & Ross (1959), Plate 22, Fig 9. Needs prep work. Pygidium still buried with cranidia mostly revealed. Images of the best trilobite found on 2/1/2003. Note trace fossil trail behind bug.