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  1. No Access

    Article

    The origin of placental mammal life histories

    After the end-Cretaceous extinction, placental mammals quickly diversified1, occupied key ecological niches2,3 and increased in size4,5, but this last was not true of other therians6. The uniquely extended gestat...

    Gregory F. Funston, Paige E. dePolo, Jakub T. Sliwinski, Matthew Dumont… in Nature (2022)

  2. No Access

    Article

    A monotreme-like auditory apparatus in a Middle Jurassic haramiyidan

    Among extant vertebrates, mammals are distinguished by having a chain of three auditory ossicles (the malleus, incus and stapes) that transduce sound waves and promote an increased range of audible—especially ...

    Junyou Wang, John R. Wible, Bin Guo, Sarah L. Shelley, Han Hu, Shundong Bi in Nature (2021)

  3. No Access

    Article

    Skeleton of a Cretaceous mammal from Madagascar reflects long-term insularity

    The fossil record of mammaliaforms (mammals and their closest relatives) of the Mesozoic era from the southern supercontinent Gondwana is far less extensive than that from its northern counterpart, Laurasia1,2. A...

    David W. Krause, Simone Hoffmann, Yaoming Hu, John R. Wible, Guillermo W. Rougier… in Nature (2020)

  4. No Access

    Article

    An Early Cretaceous eutherian and the placental–marsupial dichotomy

    Molecular estimates of the divergence of placental and marsupial mammals and their broader clades (Eutheria and Metatheria, respectively) fall primarily in the Jurassic period. Supporting these estimates, Juramai...

    Shundong Bi, **aoting Zheng, **aoli Wang, Natalie E. Cignetti, Shiling Yang… in Nature (2018)

  5. No Access

    Article

    First cranial remains of a gondwanatherian mammal reveal remarkable mosaicism

    Previously known only from isolated teeth and lower jaw fragments recovered from the Cretaceous and Palaeogene of the Southern Hemisphere, the Gondwanatheria constitute the most poorly known of all major mamma...

    David W. Krause, Simone Hoffmann, John R. Wible, E. Christopher Kirk… in Nature (2014)

  6. No Access

    Article

    The earliest known eutherian mammal

    The skeleton of a eutherian (placental) mammal has been discovered from the Lower Cretaceous Yixian Formation of northeastern China. We estimate its age to be about 125 million years (Myr), extending the date ...

    Qiang Ji, Zhe-** Luo, Chong-** Yuan, John R. Wible, Jian-** Zhang… in Nature (2002)

  7. No Access

    Article

    Implications of Deltatheridium specimens for early marsupial history

    We describe here two new specimens of the mammal Deltatheridium pretrituberculare from the Late Cretaceous period of Mongolia. These specimens provide information on tooth replacement in basal therian mammals and...

    Guillermo W. Rougier, John R. Wible, Michael J. Novacek in Nature (1998)

  8. No Access

    Article

    Epipubic bones in eutherian mammals from the Late Cretaceous of Mongolia

    An important transformation in the evolution of mammals was the loss of the epipubic bones. These are elements projecting anteriorly from the pelvic girdle into the abdominal region in a variety of Mesozoic ma...

    Michael J. Novacek, Guillermo W. Rougier, John R. Wible, Malcolm C. McKenna… in Nature (1997)

  9. Article

    Multituberculate phylogeny

    Guillermo W. Rougler, John R. Wible, Michael J. Novacek in Nature (1996)

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