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Sea change for first shells

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Calcium glut may have hardened marine life.

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References

  1. Brennan, S. T., Lowenstein, T. K. & Horita, J. Geology, 32, 473 - 476, doi:10.1130/G20251.1 (2004).

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Ball, P. Sea change for first shells. Nature (2004). https://doi.org/10.1038/news040607-1

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  • DOI: https://doi.org/10.1038/news040607-1

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