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The fossil record of North American mammals: evidence for a Paleocene evolutionary radiation.

Systematic biology - 1 Mar 1999

Alroy J

Abstract excerpt

Paleontologists long have argued that the most important evolutionary radiation of mammals occurred during the early Cenozoic, if not that all eutherians originated from a single common post-Cretaceous ancestor. Nonetheless, several recent molecular analyses claim to show that because several interordinal splits occurred during the Cretaceous, a major therian radiation was then underway. This claim conflicts with...

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PMID: 12078635
DOI: 10.1080/106351599260472

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