created on Sept. 9, 2012, 11:01 p.m.
by None
updated on Sept. 20, 2012, 2:04 a.m.
by None
Extrapolations from genome evolution patterns of modern genomes suggest that mammals in Cretaceous period were relatively large and long-lived (maximum lifespan approximately above 25 years) [http://www.ncbi.nlm.nih.gov/pubmed/22949523].
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