Lepidopterid coprolite
Howell, P. E., M. L. DeVore, E. H. Barman, and K. B. Pigg. 2003.  Insect-plant interactions from the Miocene of Washington:  permineralized lepidopteran coprolites.  Georgia Academy of Science. Abstr.
DeVore, M. L., K. B. Pigg, and E. Barman.  2002.  Plant-animal interactions from the Miocene:  evidence from a permineralized flora.  Geological Society of America, 2002 Denver Ann Meeting Abstr.

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