ArticleJournal of anatomy2023
Dental topographic proxies for ecological characteristics in carnivoran mammals.
Article in Journal of anatomy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Dental complexity and diet in amniotes: A meta-analysis.PloS one · 2024Pooled it
- Adaptive zones of feliforms and evolutionary regimes within terrestrial mammalian carnivores.Nature ecology & evolution · 2026Article
- Brawn before bite in endemic Asian eutherian mammals after the end-Cretaceous extinction.eLife · 2026Article
- Dental topography and diet in marsupials and comparisons with primates.Journal of mammalian evolution · 2026Article
- Emergent network properties link phenotypic modules to ecomorphological divergence in carnivoran mammals.iScience · 2025Article
- Dental topographic proxies for ecological characteristics in carnivoran mammals.Journal of anatomy · 2023Article
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Authors and funding
4 authors.
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Abstract
Form-function relationships in mammalian feeding systems are active topics of research in evolutionary biology. This is due principally to their fundamental importance for understanding dietary adaptations in extinct taxa and macro-evolutionary patterns of morphological transformations through changing environments. We hypothesize that three-dimensional dental topographic metrics represent stronger predictors for dietary and other ecological variables than do linear measurements. To test this hypothesis, we measured three dental topographic metrics: Relief Index (RFI), Dirichlet Normal Energy (DNE), and Orientation Patch Count Rotated (OPCR) in 57 extant carnivoran species. Premolar and molar dental topographic indices were regressed against activity, diet breadth, habitat breadth, terrestriality, and trophic level variables within a phylogenetic framework. The results of this study showed significant correlations between RFI and the ecological variables diet breadth and trophic level. Weaker correlations are documented between OPCR and activity and between DNE and trophic level. Our results suggest that cusp height is strongly reflective of dietary ecology in carnivorans as a whole, and represents a proxy mainly for different degrees of hypercarnivory observed within this group of predatory mammals.
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