Dental microwear texture analysis along reptile tooth rows: complex variation with non-dietary variables.
aspect ratio
mechanical advantage
microwear
out-lever
reptile
tooth row
Journal
Royal Society open science
ISSN: 2054-5703
Titre abrégé: R Soc Open Sci
Pays: England
ID NLM: 101647528
Informations de publication
Date de publication:
03 Feb 2021
03 Feb 2021
Historique:
entrez:
11
5
2021
pubmed:
12
5
2021
medline:
12
5
2021
Statut:
epublish
Résumé
Dental microwear texture analysis (DMTA) is a powerful technique for reconstructing the diets of extant and extinct taxa. Few studies have investigated intraspecific microwear differences along with tooth rows and the influence of endogenous non-dietary variables on texture characteristics. Sampling teeth that are minimally affected by non-dietary variables is vital for robust dietary reconstructions, especially for taxa with non-occlusal (non-chewing) dentitions as no standardized sampling strategies currently exist. Here, we apply DMTA to 13 species of extant reptile (crocodilians and monitor lizards) to investigate intraspecific microwear differences along with tooth rows and to explore the influence of three non-dietary variables on exhibited differences: (i) tooth position, (ii) mechanical advantage, and (iii) tooth aspect ratio. Five species exhibited intraspecific microwear differences. In several crocodilians, the distally positioned teeth exhibited the 'roughest' textures, and texture characteristics correlated with all non-dietary variables. By contrast, the mesial teeth of the roughneck monitor (
Identifiants
pubmed: 33972864
doi: 10.1098/rsos.201754
pii: rsos201754
pmc: PMC8074666
doi:
Banques de données
figshare
['10.6084/m9.figshare.c.5276614']
Types de publication
Journal Article
Langues
eng
Pagination
201754Informations de copyright
© 2021 The Authors.
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