Ontogenetic dietary shifts in Deinonychus antirrhopus (Theropoda; Dromaeosauridae): Insights into the ecology and social behavior of raptorial dinosaurs through stable isotope analysis
@article{Frederickson2020OntogeneticDS, title={Ontogenetic dietary shifts in Deinonychus antirrhopus (Theropoda; Dromaeosauridae): Insights into the ecology and social behavior of raptorial dinosaurs through stable isotope analysis}, author={Joseph A. Frederickson and Michael H. Engel and Richard. Cifelli}, journal={Palaeogeography, Palaeoclimatology, Palaeoecology}, year={2020}, volume={552}, pages={109780} }
10 Citations
Ecomorphospace occupation of large herbivorous dinosaurs from Late Jurassic through to Late Cretaceous time in North America
- Environmental Science, GeographyPeerJ
- 2022
Following the Late Jurassic, megaherbivore communities in North America undergo a dramatic turnover in faunal composition: sauropods decline to the point of becoming relatively minor components of…
Two emetolite-pterosaur associations from the Late Jurassic of China: showing the first evidence for antiperistalsis in pterosaurs
- Environmental Science, GeographyPhilosophical Transactions of the Royal Society B
- 2022
Knowledge about the pterosaur diet and digestive system is limited, and there is little direct evidence in the fossil record. Here, we report two specimens of the wukongopterid Kunpengopterus…
Testing for a dietary shift in the Early Cretaceous ceratopsian dinosaur Psittacosaurus lujiatunensis
- Environmental SciencePalaeontology
- 2021
2D mechanical analysis of the jaws of a hatchling and an adult to determine the differences between the two systems found some differences, but these were only modest; the adult was better suited to feeding on tough plant material than the hatchling, based on its higher values of absolute and relative bite forces.
Epidermal complexity in the theropod dinosaur Juravenator from the Upper Jurassic of Germany
- Environmental SciencePalaeontology
- 2020
Epidermal scales among modern reptiles are morphologically diverse and serve a variety of functions ranging from moisture balance to chemoreception. Despite being predominantly squamous‐skinned…
Size-mediated competition and community structure in a Late Cretaceous herbivorous dinosaur assemblage
- Environmental Science, GeographyHistorical Biology
- 2021
It has been argued that, throughout the Mesozoic, the immature growth forms of megaherbivorous dinosaurs competitively excluded small herbivorous dinosaur species, leading to the left-skewed species…
Dinosaur biodiversity declined well before the asteroid impact, influenced by ecological and environmental pressures
- Environmental Science, GeographyNature communications
- 2021
It is found that the decline of dinosaurs was likely driven by global climate cooling and herbivorous diversity drop, and the latter is likely due to hadrosaurs outcompeting other herbivores.
Theropod guild structure and the tyrannosaurid niche assimilation hypothesis: implications for predatory dinosaur macroecology and ontogeny in later Late Cretaceous Asiamerica
- Environmental Science, Geography
- 2021
Well-sampled dinosaur communities from the Jurassic through the early Late Cretaceous show greater taxonomic diversity among larger (>50 kg) theropod taxa than communities of the Campano-Maastricht...
Comment on “The influence of juvenile dinosaurs on community structure and diversity”
- Environmental Science, GeographyScience
- 2022
It is argued that the supporting dataset is skewed toward Late Cretaceous North America and that the gap was likely absent during other intervals in most geographic regions, and should be considered for broader consideration.
The diet of early birds based on modern and fossil evidence and a new framework for its reconstruction
- Environmental Science, GeographyBiological reviews of the Cambridge Philosophical Society
- 2021
This work proposes a set of comparable, quantitative approaches to ascertain fossil bird diet and reports the current state of knowledge of non-avian avialan diet, expecting dietary knowledge and evolutionary trends to become much clearer in the coming years.
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