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  • 标题:Mandibular ramus morphology and species identification in Australopithecus sediba
  • 本地全文:下载
  • 作者:John Hawks ; Lee R.Berger
  • 期刊名称:South African Journal of Science
  • 印刷版ISSN:0038-2353
  • 电子版ISSN:1996-7489
  • 出版年度:2022
  • 卷号:118
  • 期号:3-4
  • 页码:1-3
  • DOI:10.17159/sajs.2022/12544
  • 语种:English
  • 出版社:The Foundation for Research Development
  • 摘要:The site of Malapa, South Africa, has produced fossil evidence from multiple individuals of Australopithecus sediba including the partial skeletons designated as MH1 (holotype) and MH2 (paratype). A recent article in this Journal presented the hypothesis that MH1 and MH2 are not one species but instead represent two different genera: Australopithecus and Homo, respectively. Here we briefly evaluate this claim. We review the evidence from across the skeleton that demonstrates that MH1 and MH2 represent a single species, and we highlight other fossil samples that show the same pattern of mandibular ramus variation as observed in MH1 and MH2. The evidence shows that there is no reason to separate MH1 and MH2 into different species or genera based upon mandibular ramus morphology. This case illustrates how misleading small fragments of anatomy can be, why researchers should not use such fragments particularly for species and genus-level diagnoses, and why it is essential to use all available evidence.
  • 关键词:species;Australopithecus;Malapa;Homo
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