Bibliography Record
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O'Leary, Maureen A.; Bloch, Jonathan I.; + 21 other authors
(detail)
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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.
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Related Index Records (6)
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Dugong Lacépède, 1799
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2013 |
O'Leary et al. (In phylogeny of other placental orders; in supplemental material.) |
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Eotheroides aegyptiacum (Owen, 1875) Trouessart, 1905
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2013 |
O'Leary et al. (In phylogenetic context of other placental orders; 664.) |
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Phylogeny and Affinities of the Sirenia and/or Desmostylia
(SEE ALSO under species)
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2013 |
O'Leary et al. (Sirenia placed in context of other placental orders; 663-664 + supplemental material.) |
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Prorastomus sirenoides Owen, 1855
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2013 |
O'Leary et al. (In phylogenetic context of other placental orders; in supplemental material.) |
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Trichechus manatus Linnaeus, 1758
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2013 |
O'Leary et al. (Sirenia placed in context of other placental orders; 663-664 + supplemental material.) |
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Pan-Sirenia O'Leary et al., 2013?
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2013 |
O'Leary et al. (new taxon; in supplemental material, p. 101, tab. S4.) |
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