Thor Hansen

Kelley, P.H., and T.A. Hansen.  2003.  The fossil record of drilling predation on bivalves and gastropods, p. 113-139.  In P.H. Kelley, M. Kowalewski, and T.A. Hansen (eds), Predator-Prey Interactions in the Fossil Record.  Kluwer Academic/Plenum Press.

Hansen, T.A., P.H. Kelley, and D.M. Haasl.  2004.  Paleoecological patterns in molluscan extinctions and recoveries: Comparison of the Cretaceous-Tertiary and Eocene-Oligocene extinctions in North America. Palaeogeography, Palaeoclimatology, Palaeoecology 214(3):233-242.

Kelley, P.H., and T.A. Hansen.  2006.  Comparisons of class- and lower taxon-level patterns in naticid gastropod predation, Cretaceous to Pleistocene of the U.S. Coastal Plain.  Palaeogeography, Palaeoclimatology, Palaeoecology 236(3/4):302-320.

Kelley, P.H., and T.A. Hansen. 2007. A case for cannibalism:  Confamilial and conspecific predation by naticid gastropods, Cretaceous through Pleistocene of the United States Coastal Plain, p. 151-170.  In Elewa, A.M.T. (ed.), Predation in Organisms: A Distinct Phenomenon. Springer Verlag.

Kelley, P.H., and T.A. Hansen.  2008.  Latitudinal patterns in naticid gastropod predation along the east coast of the United States: a modern baseline for interpreting temporal patterns in the fossil record.  In: Bromley, R.G., Buatois, L.A., Mángano, M.G., Genise, J.F., and Melchor, R.N. (eds.), Sediment-Organism Interactions: A Multifaceted Ichnology. SEPM Special Publications, v. 88.