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Palaeontology

Birth of the jawed vertebrates

Nature volume 457, pages 1094–1095 (2009)Cite this article

The discovery of embryos in certain fossil fishes not only shows that internal fertilization and live birth evolved early in vertebrate history, but also raises questions about the origin of jawed vertebrates.

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Figure 1: Gnathostomes and their modes of reproduction.

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Authors and Affiliations

  1. Per E. Ahlberg is in the Subdepartment of Evolutionary Organismal Biology, Department of Physiology and Developmental Biology, Uppsala University, 752 36 Uppsala, Sweden. per.ahlberg@ebc.uu.se,

    Per E. Ahlberg

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  1. Per E. Ahlberg
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Ahlberg, P. Birth of the jawed vertebrates. Nature 457, 1094–1095 (2009). https://doi.org/10.1038/4571094a

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