Abstract.
From a total of 22 nuclear genes, we estimate that the divergence time between Drosophila and vertebrates was about 830 million years ago (mya), which is significantly (1% level) earlier than the Cambrian explosion indicated by the early triploblastic fossils (<600 mya).
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Received: 21 November 1997 / Accepted: 18 February 1998
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Gu, X. Early Metazoan Divergence Was About 830 Million Years Ago. J Mol Evol 47, 369–371 (1998). https://doi.org/10.1007/PL00013150
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DOI: https://doi.org/10.1007/PL00013150