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In the study, they found that this dinosaur was not T. rex after all but a never-before-seen sister species, Tyrannosaurus mcraeensis. This species was older and perhaps even larger than the T. rex.
Evidence of the impact of the interplay of abiotic and biotic processes on the evolution of pseudosuchians is presented by Payne et al. (2023). [13]A study on the biomechanical properties of the skull of Riojasuchus tenuisceps is published by Taborda, Von Baczko & Desojo (2023), who propose that R. tenuisceps could have had a wading habit, feeding on small-sizey prey caught from the shoreline.
New specimen of Archaeopteryx, representing the third specimen belonging to this genus found in the Tithonian Mörnsheim Formation , is described by Foth et al. (2025). [64] Evidence from the study of moa coprolites, indicating that moa ate and likely spread truffle-like fungi that are endemic to New Zealand, is presented by Boast et al. (2025).
New enantiornithine specimen with a well-preserved skull, retaining the plesiomorphic dinosaurian palate and diapsid temporal configurations indicative of an akinetic skull, is described from the Lower Cretaceous Jiufotang Formation (China) by Wang et al. (2021), who evaluate the implications of this specimen for the knowledge of the evolution ...
The researchers believe the volcanic debris originated much farther east from where the bones were discovered, and was carried west by rivers, causing the bones and volcanic material to mix before ...
'Discoveries like Sarmientosaurus happen once in a lifetime,' paleontologist Rubén Martínez said in a statement.
A study on the diversity of form and function of teeth in early-diverging dinosaurs is published by Ballell, Benton & Rayfield (2022), providing evidence of a previously unrecognized functional diversity in the dentitions of early dinosaurs, and indicating that either carnivory or omnivory was the ancestral diet of dinosaurs, with obligate ...
The critter’s robust skull had additional bones and elements that have likely disappeared with evolution, and its elongated snout paired with a short region of the skull behind the eyes was ...