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Animalia+%7C+Arthropoda+%7C+Insecta+%7C+Diptera+%7C+Athericidae and Atrichops+hesperius and Naturalists--Colorado and Paleontology--Colorado--Teller+County of Florissant+Fossil+Beds+National+Monument+%28Colo.%29 and Florissant+Fossil+Beds+National+Monument+%28Colo.%29 and Florissant+Fossil+Beds+National+Monument+%28Colo.%29
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