Leptomeryx This is an extensive morphometric project that I conducted as a postdoctoral researcher at the Smithsonian's Department of Paleobiology together with Robert J. Emry. It is a detailed study of evolution at the species level from the fossil record. Abstract of Leptomeryx research Leptomericids of western North America Requests for reprints can be sent to me by e-mail. Timothy H. Heaton: ...