R.  Rivera, Lawson, J., Harvey, M., and Nehm, R. H., ?Mollusc assemblage variability in the Río Gurabo section (Dominican Republic Neogene): implications for species-level stasis?, in Evolutionary stasis and change in the Dominican Republic Neogene, R. H.  Nehn and Budd, A. F., Eds. Springer, 2008, pp. 225-251.

R. H.  Nehm, ?The dynamics of evolutionary stasis and change in the 'Prunum maoense Group'?, in Evolutionary stasis and change in the Dominican Republic Neogene, R. H.  Nehn and Budd, A. F., Eds. Springer, 2008, pp. 171-191.