Evolution of the earliest horses driven by climate change in the Paleocene-Eocene Thermal Maximum

R. Secord, J. I. Bloch, S.G. B. Chester, D. M. Boyer, A. R. Wood, S. L. Wing, M. J. Kraus, F. A. McInerney, and J. Krigbaum

2012

Article

Science 335:959-962

Find it at:

http://dx.doi.org/10.1126/science.1213859

Taxonomy:

• Sifrhippus sandrae belongs to Sifrhippus - Secord et al. (2012)
• Sifrhippus grangeri belongs to Sifrhippus - Secord et al. (2012)
• Arenahippus belongs to Sifrhippus - Secord et al. (2012)
• Sifrhippus belongs to Equidae - Secord et al. (2012)