**Acknowledgements**

The authors wish to thank those who helped in providing material and references, especially Maryan Zyderveld; Jennifer Reynolds; Christine Janis; and Terry Leitheuser. We have been inspired in our studies by our mentors Vera Eisenmann, Paul Sondaar, Michael Woodburne, and Robert Reynolds. We also thank Lara Sciscio, Jens Lallensack, and an anonymous reviewer, for comments on an earlier version of the manuscript.

*New Studies on the Gaits Displayed by Miocene, Pliocene, and Pleistocene Fossil Horse… DOI: http://dx.doi.org/10.5772/intechopen.112157*
