Species concepts and Speciation: Facts and Fantasies

摘要: The identification of the punctuated mode evolution, an alternative to gradualism, has required renewed focus on nature species. A species is evolutionary lineage and may be recognized by having fixed (absolute) heritable differences from other Among various modes speciation which have been proposed, allopatric best authenticated; it can C. Groves (*) School Archaeology & Anthropology, Australian National University, Canberra, ACT, Australia e-mail: colin.groves@anu.edu.au # Springer-Verlag Berlin Heidelberg 2015 W. Henke, I. Tattersall (eds.), Handbook Paleoanthropology, DOI 10.1007/978-3-642-39979-4_61 237 divided into dichopatric peripatric. Other are parapatric, sympatric, stasipatric, and, one recently assumed a considerable importance, hybridization. All these must considered when thinking about how identified in hominin fossil record originated.