Una Farrell Graduate Email Me Office: no entry in db Research Interests: Paleoecology, geochemistry and taphonomy of Ordovician pyritized trilobite lagerstatten. Predator-prey interactions and evolution in Cenozoic molluscs. Selected Publication(s): Farrell, U. C. & Briggs, D. E. G. (2007). A pyritized polychaete from the Devonian of Ontario. Proceedings of the Royal Society, B, 274, 499-504. Farrell, U. C., Martin, M. J., Hagadorn, J. W., Whiteley, T., & Briggs, D. E. G. (2009). Beyond Beecher's Trilobite Bed: Widespread pyritization of soft tissues in the Late Ordovician Taconic foreland basin. Geology, 37(10), 907-910.