Published 2025-02-01
“…We can track the appearance of such offsets through ancestor-descendent species over the last 15 Myr and propose that the emergence of these offsets may be the geochemical expression of evolutionary innovations. We find that
virtually all of the <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M17" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><mi mathvariant="normal">Mg</mi><mo>/</mo><mi mathvariant="normal">Ca</mi></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="37pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="92be5ea42e05a3e49a765741d834c1a7"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="bg-22-1095-2025-ie00010.svg" width="37pt" height="14pt" src="bg-22-1095-2025-ie00010.png"/></svg:svg></span></span>- and <span class="inline-formula"><i>δ</i><sup>18</sup>O</span>-derived temperatures from the commonly used genera <i>Globigerinoides</i> and <i>Trilobatus</i> are within uncertainty of each other, highlighting the utility of these species for paleoceanographic reconstructions. …”
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