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Paleontology--Colorado--Teller County and Taracticus contusus and application/pdf and Animalia | Arthropoda | Insecta | Diptera | Asilidae by Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948, author and Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948, author
- UC Boulder