Cretaceous eutherians and Laurasian origin for placental mammals near the K/T boundary
Rougier, G. W. ; Novacek, M. J. ; Asher, R. J. ; Wible, J. R.
[s.l.] : Nature Publishing Group
Published 2007
[s.l.] : Nature Publishing Group
Published 2007
ISSN: |
1476-4687
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Source: |
Nature Archives 1869 - 2009
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Topics: |
Biology
Chemistry and Pharmacology
Medicine
Natural Sciences in General
Physics
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Notes: |
[Auszug] Estimates of the time of origin for placental mammals from DNA studies span nearly the duration of the Cretaceous period (145 to 65 million years ago), with a maximum of 129 million years ago and a minimum of 78 million years ago. Palaeontologists too are divided on the ...
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Type of Medium: |
Electronic Resource
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URL: |