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Enamel hypoplasia and dental wear of North American late Pleistocene horses and bison: an assessment of nutritionally based extinction models – ERRATUM

Published online by Cambridge University Press:  24 June 2019

Christina I. Barrón-Ortiz ,
Christopher N. Jass ,
Raúl Barrón-Corvera ,
Jennifer Austen  and
Jessica M. Theodor
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Abstract

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Information

Type
Erratum
Information
Paleobiology , Volume 45 , Issue 3 , August 2019 , pp. 516
Copyright
Copyright © The Paleontological Society. All rights reserved 2019 

In the original publication of Barrón-Ortiz et al. (Reference Barrón-Ortiz, Jass, Barrón-Corvera, Austen and Theodor2019), Table 10 had incorrect t and p values for the Bluefish Caves Equus “ferus” locality and species. The correct values are t = −4.062 and p = 0.0000. The corrected table is replicated below.

Table 10.

Results of t-tests (left-tailed) using the bootstrap resampling method (10,000 replicates) to determine whether the number of stress events per affected specimen increased during the postglacial relative to the previous time interval(s). nH = total number of specimens with enamel hypoplasia; ME = mean number of hypoplastic events per affected specimen; t = t-statistic; p = p-value. Statistically significant p-values are shown in bold. An asterisk (*) identifies comparisons in which the mean number of hypoplastic events per affected specimen significantly decreased during the postglacial (i.e., showing a trend opposite to the one being tested). “Equus conversidens” from the American Southwest for the full-glacial interval was excluded from the analysis because of its small sample size.

The publisher apologizes for the error.

References

Literature Cited

Barrón-Ortiz, C. I., Jass, C. N., Barrón-Corvera, R., Austen, J., and Theodor, J. M.. 2019. Enamel hypoplasia and dental wear of North American late Pleistocene horses and bison: an assessment of nutritionally based extinction models. Paleobiology, doi: 10.1017/pab.2019.17.Google Scholar
Figure 0

Table 10. Results of t-tests (left-tailed) using the bootstrap resampling method (10,000 replicates) to determine whether the number of stress events per affected specimen increased during the postglacial relative to the previous time interval(s). nH = total number of specimens with enamel hypoplasia; ME = mean number of hypoplastic events per affected specimen; t = t-statistic; p = p-value. Statistically significant p-values are shown in bold. An asterisk (*) identifies comparisons in which the mean number of hypoplastic events per affected specimen significantly decreased during the postglacial (i.e., showing a trend opposite to the one being tested). “Equus conversidens” from the American Southwest for the full-glacial interval was excluded from the analysis because of its small sample size.