コメントへの返信 "ジョージア州ドマニシの完全な頭蓋骨と初期のホモの進化生物学"
Christoph P E Zollikofer1, Marcia S Ponce de León, Ann Margvelashvili
1Anthropological Institute and Museum, University of Zurich, Zurich, Switzerland.
Science (New York, N.Y.)
|April 26, 2014
まとめ
ドマニシの頭蓋骨の多様性は,複数の種ではなく,単一の初期のホモ群を表している可能性が高い. 形態学的データの再分析は,初期の人類の進化に関するこの単一の古生地仮説を裏付けている.
科学分野:
- 古人類学は,古人類学である.
- 人間の進化 人類の進化
背景:
- ドマニシのホミニン遺跡は,初期のホモを理解するために重要な化石を提供します.
- シュワルツ et al. シュワルツ et al. Dmanisiの頭蓋骨の変異が複数の異なる種 (毒性の多様性) を示すことを提案した.
研究 の 目的:
- ドマニシの分類多様性仮説を支持するために使用された形態学的データを再評価する.
- ドマニシの化石サンプルが1つまたは複数の初期のホモ・パレオデメスを表しているかどうかを判断する.
主な方法:
- Schwartz et al. の批判的レビューについて "の形態学的観察結果である.
- 既存の霊長類の分類における種内特異的変動に対する化石データの校正.
- ドマニシホミニンの頭蓋骨の変異の統計的および形態学的再分析.
主要な成果:
- Schwartz et al.の不正確さを特定した. "の形態学的評価をしている.
- シュワルツ et al. が示した. 正確に分析された場合,これらのデータは,分類の多様性とは矛盾しています.
- ドマニシの化石サンプルが,単一のパレオデムと互換性があることが示されました.
結論:
- ドマニシのホミニン頭蓋骨で観察された変化は,単一の集団内の種内多様性によるものです.
- ドマニシの初期のホモの単一のパレオデームの仮説は,再分析された証拠によって支持されています.
- この発見は,プレイストセンの間におけるヒト類の多様性と分散を理解するための意味を持つ.
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