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Project 773: M. A. O'Leary, J. I. Bloch, J. J. Flynn, T. J. Gaudin, A. Giallombardo, N. P. Giannini, S. L. Goldberg, B. P. Kraatz, Z. Luo, J. Meng, X. Ni, M. J. Novacek, F. A. Perini, Z. S. Randall, G. W. Rougier, E. J. Sargis, M. T. Silcox, N. B. Simmons, M. Spaulding, P. M. Velazco, M. Weksler, J. R. Wible, A. L. Cirranello. 2013. The Placental Mammal Ancestor and the Post-K-Pg Radiation of Placentals. Science. 339 (6120):662-667.

Specimen reference source
Vouchered

Taxonomic name
Ursus arctos

Institution code for specimens repository
AMNH

Collection code for specimens repository
VPCA

Repository catalog number
1309

Specimen created by
Brian Kraatz

Specimen created on
January 20 2008 at 15:18:52

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