µCT scan surface model of lower second molar of  Chriacus baldwini , a Paleocene archaic ungulate.

µCT scan surface model of lower second molar of Chriacus baldwini, a Paleocene archaic ungulate.

Using a suite of 3D surface metrics (orientation patch count, relief index, Dirichlet normal energy, slope) I am predicting likely diet in early Paleocene mammals via comparison with tooth morphology in a variety of extant mammals with known diets. This work has begun to shed light on the diversification of dietary preferences in North American mammals during the early recovery period following the Cretaceous-Paleogene mass extinction event.

Smith, S. M., Aranoff, G., and Wilson, G.P. “Quantitative dental ecomorphology reveals a wide range of mammalian dietary ecologies in the first one million years following the Cretaceous-Paleogene mass extinction.” Society for Integrative and Com-parative Biology Annual Meeting 2016, Portland, OR; Society of Vertebrate Paleontology Annual Meeting 2016, Salt Lake City, UT.