The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals-Reference-Cited by-同舟云学术

The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals

Published:2013-02-08 Issue:6120 Volume:339 Page:662-667
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

O'Leary Maureen A.¹²,Bloch Jonathan I.³,Flynn John J.²,Gaudin Timothy J.⁴,Giallombardo Andres²,Giannini Norberto P.⁵,Goldberg Suzann L.²,Kraatz Brian P.²⁶,Luo Zhe-Xi⁷,Meng Jin²,Ni Xijun²,Novacek Michael J.²,Perini Fernando A.²,Randall Zachary S.³,Rougier Guillermo W.⁸,Sargis Eric J.⁹,Silcox Mary T.¹⁰,Simmons Nancy B.⁵,Spaulding Michelle²¹¹,Velazco Paúl M.⁵,Weksler Marcelo²,Wible John R.¹¹,Cirranello Andrea L.¹²

Affiliation:

1. Department of Anatomical Sciences, School of Medicine, HSC T-8 (040), Stony Brook University, Stony Brook, NY 11794–8081, USA.

2. Division of Paleontology, American Museum of Natural History, 79th Street and Central Park West, New York, NY 10024–5192, USA.

3. Florida Museum of Natural History, University of Florida, Gainesville, FL 32611–7800, USA.

4. Department of Biological and Environmental Sciences, University of Tennessee at Chattanooga, 615 McCallie Avenue, Chattanooga, TN 37403–2598, USA.

5. Department of Mammalogy, American Museum of Natural History, 79th Street and Central Park West, New York, NY 10024–5192, USA.

6. Western University of Health Sciences, Department of Anatomy, Pomona, CA 91766–1854, USA.

7. Section of Vertebrate Paleontology, Carnegie Museum of Natural History, 4400 Forbes Avenue, Pittsburgh, PA 15213–4080, USA.

8. Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, KY 40292, USA.

9. Department of Anthropology, Yale University, Post Office Box 208277, New Haven, CT 06520–8277, USA.

10. Department of Anthropology, University of Toronto Scarborough, 1265 Military Trail, Scarborough, Ontario M1C 1A4, Canada.

11. Section of Mammals, Carnegie Museum of Natural History, 5800 Baum Boulevard, Pittsburgh, PA 15206, USA.

Abstract

Let There Be Mammals The timing of the evolution and radiation of placental mammals and their most recent common ancestor has long been debated, with many questions surrounding the relationships of groups that pre- and postdate the Cretaceous-Paleogene boundary (66 million years ago). While the fossil record suggests that placental mammals radiated after the Cretaceous, molecular clocks have consistently placed the ancestors of mammalian lineages earlier. O'Leary et al. (p. 662 ; see the Perspective by

Yoder

) examined the morphology of fossil and extant taxa and conclude that living placentals originated and radiated after the Cretaceous and reconstruct the phenotype of the ancestral placental mammal.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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