A new genus of horse from Pleistocene North America

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A new genus of horse from Pleistocene North America

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Title: A new genus of horse from Pleistocene North America
Author: Heintzman, Peter D; Zazula, Grant D; MacPhee, Ross DE; Scott, Eric; Cahill, James A; McHorse, Brianna K; Kapp, Joshua D; Stiller, Mathias; Wooller, Matthew J; Orlando, Ludovic; Southon, John; Froese, Duane G; Shapiro, Beth

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Citation: Heintzman, P. D., G. D. Zazula, R. D. MacPhee, E. Scott, J. A. Cahill, B. K. McHorse, J. D. Kapp, et al. 2017. “A new genus of horse from Pleistocene North America.” eLife 6 (1): e29944. doi:10.7554/eLife.29944. http://dx.doi.org/10.7554/eLife.29944.
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Abstract: The extinct ‘New World stilt-legged’, or NWSL, equids constitute a perplexing group of Pleistocene horses endemic to North America. Their slender distal limb bones resemble those of Asiatic asses, such as the Persian onager. Previous palaeogenetic studies, however, have suggested a closer relationship to caballine horses than to Asiatic asses. Here, we report complete mitochondrial and partial nuclear genomes from NWSL equids from across their geographic range. Although multiple NWSL equid species have been named, our palaeogenomic and morphometric analyses support the idea that there was only a single species of middle to late Pleistocene NWSL equid, and demonstrate that it falls outside of crown group Equus. We therefore propose a new genus, Haringtonhippus, for the sole species H. francisci. Our combined genomic and phenomic approach to resolving the systematics of extinct megafauna will allow for an improved understanding of the full extent of the terminal Pleistocene extinction event.
Published Version: doi:10.7554/eLife.29944
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5705217/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34493380
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