1. Introduction / Tracy L. Kivell, Pierre Lemelin, Brian G. Richmond, and Daniel Schmitt -- 2. On primitiveness, prehensility, and opposability of the primate hand : the contributions of Frederic Wood ...
in 2100 Ma shales from Michigan (Han and Runnegar, 1992). Microfossils of probable eukaryotic origin first become widespread in rocks 1800 to 1600 Ma (Figure 1.4A-D), and molecular biomarkers for ...
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