2023
DOI: 10.3389/fevo.2023.950463
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Sharpening the mesowear tool: geometric morphometric analysis of cusp shape and diet in ruminants

Abstract: Mesowear is a dietary proxy that relates attritive wear and abrasive wear to the shape of worn tooth cusps of ungulates. Traditional mesowear methods categorize cusps according to relief and sharpness. A geometric morphometric approach has the potential to measure shape with higher precision and to discover unrecognized aspects of cusp shape, possibly improving the efficacy of mesowear. We quantified mesowear in extant Ruminantia, using a 2-D semilandmark outline technique on upper second molar metacones gener… Show more

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Cited by 2 publications
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“…We carried out a geometric morphometric analysis to quantify shell morphology and its variability across the three assemblages to assist taxonomic conclusions (compare Neubauer et al 2021; Mihlbachler et al 2023). We selected all complete, well-preserved, adult specimens available in museums and our own collections that have approximately the same number of whorls to avoid a bias from allometric growth.…”
Section: Methodsmentioning
confidence: 99%
“…We carried out a geometric morphometric analysis to quantify shell morphology and its variability across the three assemblages to assist taxonomic conclusions (compare Neubauer et al 2021; Mihlbachler et al 2023). We selected all complete, well-preserved, adult specimens available in museums and our own collections that have approximately the same number of whorls to avoid a bias from allometric growth.…”
Section: Methodsmentioning
confidence: 99%