Bibliography and Index of the Sirenia and Desmostylia  

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"Bloch, Jonathan I."

 
 
 O'Leary, Maureen A.; Bloch, Jonathan I.; + 21 other authors (detail)
   
2013
The placental mammal ancestor and the post-K-Pg radiation of placentals.
Science 339: 662-667. 1 tab. 3 figs. + online supplementary material. https://science.sciencemag.org/content/339/6120/662 Feb. 8, 2013.
–ABSTRACT: To discover interordinal relationships of living and fossil placental mammals and the time of origin of placentals relative to the Cretaceous-Paleogene (K-Pg) boundary, we scored 4541 phenomic characters de novo for 86 fossil and living species. Combining these data with molecular sequences, we obtained a phylogenetic tree that, when calibrated with fossils, shows that crown clade Placentalia and placental orders originated after the K-Pg boundary. Many nodes discovered using molecular data are upheld, but phenomic signals overturn molecular signals to show Sundatheria (Dermoptera + Scandentia) as the sister taxon of Primates, a close link between Proboscidea (elephants) and Sirenia (sea cows), and the monophyly of echolocating Chiroptera (bats). Our tree suggests that Placentalia first split into Xenarthra and Epitheria; extinct New World species are the oldest members of Afrotheria.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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