The delayed rise of present-day mammals Export

@article{1277, abstract = {Did the end-Cretaceous mass extinction event, by eliminating non-avian dinosaurs and most of the existing fauna, trigger the evolutionary radiation of present-day mammals? Here we construct, date and analyse a species-level phylogeny of nearly all extant Mammalia to bring a new perspective to this question. Our analyses of how extant lineages accumulated through time show that net per-lineage diversification rates barely changed across the Cretaceous/Tertiary boundary. Instead, these rates spiked significantly with the origins of the currently recognized placental superorders and orders approximately 93 million years ago, before falling and remaining low until accelerating again throughout the Eocene and Oligocene epochs. Our results show that the phylogenetic 'fuses' leading to the explosion of extant placental orders are not only very much longer than suspected previously, but also challenge the hypothesis that the end-Cretaceous mass extinction event had a major, direct influence on the diversification of today's mammals.}, author = {Binindaemonds, Olaf R. and Cardillo, Marcel and Jones, Kate E. and Macphee, Ross D. and Beck, Robin M. and Grenyer, Richard and Price, Samantha A. and Vos, Rutger A. and Gittleman, John L. and Purvis, Andy and Anonymous}, citeulike-article-id = {2726442}, isbn = {14764687}, journal = {Nature}, keywords = {archaeology, evolution, file-import-08-04-28, hardcopy}, pages = {507--512}, posted-at = {2008-04-28 04:34:04}, priority = {2}, title = {The delayed rise of present-day mammals}, volume = {446} }

TY - JOUR ID - 1277 L3 - citeulike-article-id:2726442 N2 - Did the end-Cretaceous mass extinction event, by eliminating non-avian dinosaurs and most of the existing fauna, trigger the evolutionary radiation of present-day mammals? Here we construct, date and analyse a species-level phylogeny of nearly all extant Mammalia to bring a new perspective to this question. Our analyses of how extant lineages accumulated through time show that net per-lineage diversification rates barely changed across the Cretaceous/Tertiary boundary. Instead, these rates spiked significantly with the origins of the currently recognized placental superorders and orders approximately 93 million years ago, before falling and remaining low until accelerating again throughout the Eocene and Oligocene epochs. Our results show that the phylogenetic 'fuses' leading to the explosion of extant placental orders are not only very much longer than suspected previously, but also challenge the hypothesis that the end-Cretaceous mass extinction event had a major, direct influence on the diversification of today's mammals. JF - Nature SN - 14764687 EP - 512 TI - The delayed rise of present-day mammals VL - 446 SP - 507 KW - archaeology KW - evolution KW - file-import-08-04-28 KW - hardcopy AU - Binindaemonds, Olaf AU - Cardillo, Marcel AU - Jones, Kate AU - Macphee, Ross AU - Beck, Robin AU - Grenyer, Richard AU - Price, Samantha AU - Vos, Rutger AU - Gittleman, John AU - Purvis, Andy AU - Anonymous ER -