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- W4313308030 abstract "Dinosaurs evolved a remarkable diversity of dietary adaptations throughout the Mesozoic, but the origins of different feeding modes are uncertain, especially the multiple origins of herbivory. Feeding habits of early dinosaurs have mostly been inferred from qualitative comparisons of dental morphology with extant analogs. Here, we use biomechanical and morphometric methods to investigate the dental morphofunctional diversity of early dinosaurs in comparison with extant squamates and crocodylians and predict their diets using machine learning classification models. Early saurischians/theropods are consistently classified as carnivores. Sauropodomorphs underwent a dietary shift from faunivory to herbivory, experimenting with diverse diets during the Triassic and Early Jurassic, and early ornithischians were likely omnivores. Obligate herbivory was a late evolutionary innovation in both clades. Carnivory is the most plausible ancestral diet of dinosaurs, but omnivory is equally likely under certain phylogenetic scenarios. This early dietary diversity was fundamental in the rise of dinosaurs to ecological dominance." @default.
- W4313308030 created "2023-01-06" @default.
- W4313308030 creator A5014697183 @default.
- W4313308030 creator A5029744192 @default.
- W4313308030 creator A5030519382 @default.
- W4313308030 date "2022-12-16" @default.
- W4313308030 modified "2023-09-26" @default.
- W4313308030 title "Dental form and function in the early feeding diversification of dinosaurs" @default.
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