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Animal embryos in deep time

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Figure 1: Timescale of Earth's history (left), and the interval between 1,000 and 480 million years ago (Ma), showing some significant events in the fossil record.

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Bengtson, S. Animal embryos in deep time. Nature 391, 529–530 (1998). https://doi.org/10.1038/35245

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  • DOI: https://doi.org/10.1038/35245

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