Birth of the jawed vertebrates

Per E. Ahlberg
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Per E. Ahlberg: Uppsala University, 752 36 Uppsala, Sweden. per.ahlberg@ebc.uu.se

Nature, 2009, vol. 457, issue 7233, 1094-1095

Abstract: 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.

Date: 2009
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DOI: 10.1038/4571094a

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