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Grey\u2010cheeked mangabeys (\n                    <jats:italic>Lophocebus albigena<\/jats:italic>\n                    ) and sooty mangabeys (\n                    <jats:italic>Cercocebus atys<\/jats:italic>\n                    ) both have thickly enameled posterior teeth. Thick enamel in the former is argued to be response to fallback consumption of hard\u2010object foods, whereas in the latter, this feature is thought to have evolved in response to routine consumption of hard\u2010object foods year\u2010round. Our recent analyses reveal aspects of dental form beyond thick enamel that render\n                    <jats:italic>C. atys<\/jats:italic>\n                    posterior teeth better suited to process hard\u2010object foods and resist fracture than those of\n                    <jats:italic>L. albigena<\/jats:italic>\n                    . We argue that the different feeding regimes of these two mangabey species had different effects on the evolution of their posterior teeth. Here, we detail these differences within the context of the fallback food paradigm. These results may ultimately help us detect modes of hard\u2010object feeding in the fossil record.\n                  <\/jats:p>","DOI":"10.1002\/evan.70033","type":"journal-article","created":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T11:26:57Z","timestamp":1779190017000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Meaning of Mangabey Molars (And Premolars)"],"prefix":"10.1002","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1345-5384","authenticated-orcid":false,"given":"Debbie","family":"Guatelli\u2010Steinberg","sequence":"first","affiliation":[{"name":"Department of Anthropology The Ohio State University Columbus Ohio USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W.","family":"Scott McGraw","sequence":"additional","affiliation":[{"name":"Department of Anthropology The Ohio State University Columbus Ohio USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,5,19]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/ajpa.1330450214"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/ajpa.1330880408"},{"key":"e_1_2_9_4_1","first-page":"343","article-title":"Alimentation Et Activit\u00e9 D'un Groupe De Chimpanz\u00e9s R\u00e9introduits En For\u00eat Gabonaise","volume":"27","author":"Hladik C. 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