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- W2111081446 abstract "Percentages of tooth fracture and mandible shape are robust predictors of feeding habits in Carnivora. If these parameters co-vary above the species level, more robust palaeobiological inferences could be made on fossil species. A test of association is presented between mandible shape and tooth fracture in a subset of extant carnivorans together with large Pleistocene fossil predators from Rancho La Brea (Canis dirus, Panthera atrox, and Smilodon fatalis). Partial least square (PLS) and comparative methods are employed to validate co-variation of these two parameters in extant carnivorans. Association between mandible shape and percentage of tooth fracture is strongly supported, even if both blocks of data exhibit a phylogenetic signal to a different degree. Dietary adaptations drive shape/fracture co-variation in extant species, although no significant differences occur in the PLS scores between carnivores and bone/hard food consumers. The fossil species project into PLS morphospace as outliers. Their position suggests a unique feeding behaviour. The increase in the size of prey, together with consumption of skin and hair from carcasses in a cold environment, might have generated unusual tooth breakage patterns in large predators from Rancho La Brea." @default.
- W2111081446 created "2016-06-24" @default.
- W2111081446 creator A5031794495 @default.
- W2111081446 date "2012-02-28" @default.
- W2111081446 modified "2023-09-25" @default.
- W2111081446 title "Mandibular shape correlates of tooth fracture in extant Carnivora: implications to inferring feeding behaviour of Pleistocene predators" @default.
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- W2111081446 doi "https://doi.org/10.1111/j.1095-8312.2011.01843.x" @default.
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