The First Humans: Origin and Early Evolution of the Genus Homo (Vertebrate Paleobiology and Paleoanthropology)There are some issues in human paleontology that seem to be timeless. Most deal with the origin and early evolution of our own genus something about which we should care. Some of these issues pertain to taxonomy and systematics. How many species of Homo were there in the Pliocene and Pleistocene? How do we identify the earliest members the genus Homo? If there is more than one Plio Pleistocene species, how do they relate to one another, and where and