{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T14:43:34Z","timestamp":1790779414673,"version":"4.1.0"},"reference-count":53,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2014,2,21]],"date-time":"2014-02-21T00:00:00Z","timestamp":1392940800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Marshall University John Deaver Drinko Research Fellowship"},{"name":"NSF","award":["EF-0905606"],"award-info":[{"award-number":["EF-0905606"]}]},{"DOI":"10.13039\/100007514","name":"National Evolutionary Synthesis Center","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100007514","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Evolutionary Biology"],"published-print":{"date-parts":[[2014,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The late <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>leistocene was a time of environmental change, culminating in an extinction event. Few fossil localities record a temporal series of carnivore fossil populations from this interesting interval as well as <jats:styled-content style=\"fixed-case\">R<\/jats:styled-content>ancho <jats:styled-content style=\"fixed-case\">L<\/jats:styled-content>a <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>rea (<jats:styled-content style=\"fixed-case\">RLB<\/jats:styled-content>). We analysed mandibles of <jats:italic><jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>milodon fatalis<\/jats:italic> from <jats:styled-content style=\"fixed-case\">RLB<\/jats:styled-content> using 2\u2010<jats:styled-content style=\"fixed-case\">D<\/jats:styled-content> geometric morphometrics to examine whether, and how, mandibular shape changes through time. <jats:italic><jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>milodon fatalis<\/jats:italic> shows mandibular evolution with oscillations between a small, ancestral\u2010type morph in pits 77 (\u224837\u00a0Kybp) and 2051 (\u224826\u00a0Kybp), a larger, more derived morph in pits 91 (\u224828\u00a0Kybp) and 61\u201067 (\u224813.6\u00a0Kybp), and an intermediate morph from pit 13 (\u224817.7\u00a0Kybp). These oscillations end in pit 61\u201067, with greatest body size, and are estimated to have its widest gape and lowest bite force. Additionally, variation is lowest in pit 61\u201067, which was deposited concurrent with the <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\u00f8lling\u2013<jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>ller\u00f8d warming event, which may have important implications for the timing or conditions during the extinction event. Contra to a temporal <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>ergmann's rule, such rapid warming events appear to be correlated with larger, derived, morphologies whereas static, cooler, climates correlate with gracile, ancestral morphologies.<\/jats:p>","DOI":"10.1111\/jeb.12340","type":"journal-article","created":{"date-parts":[[2014,2,24]],"date-time":"2014-02-24T17:34:07Z","timestamp":1393263247000},"page":"714-723","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Evolution in the sabre\u2010tooth cat, <i><scp>S<\/scp>milodon fatalis<\/i>, in response to <scp>P<\/scp>leistocene climate change"],"prefix":"10.1093","volume":"27","author":[{"given":"J. A.","family":"Meachen","sequence":"first","affiliation":[{"name":"Des Moines University Des Moines IA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F. 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