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New Analysis Shows Tyrannosaurus rex Grew Over Four Decades A new study challenges previous assumptions about the growth of Tyrannosaurus rex, suggesting that this iconic dinosaur took approximately 40 years to reach its full size, rather than the earlier estimate of 25 years. By analyzing growth rings in the leg bones of 17 tyrannosaur specimens, researchers used advanced statistical modeling and specialized lighting techniques to detect previously overlooked growth markers. This comprehensive approach allowed them to reconstruct a more detailed life history of T. rex, showing a prolonged growth period rather than rapid maturation. The study also raises questions about the classification of some fossils, suggesting that certain specimens, including the well-known 'Jane' and 'Petey,' might represent different species or subspecies within the Tyrannosaurus complex. The findings imply that T. rex's extended development may have allowed juveniles to occupy different ecological roles, contributing to the species' dominance as apex predators at the end of the Cretaceous. Additionally, the research introduces a new method to combine data from multiple specimens, providing a clearer picture of tyrannosaur growth patterns and emphasizing the need to revise traditional bone-ring analysis techniques. Overall, this work offers a more nuanced understanding of T. rex as a living animal and the variability in its growth and development.

New Analysis Shows Tyrannosaurus rex Grew Over Four Decades

๐Ÿค– IA: It's not clickbait โœ…
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#tyrannosaurusrex #dinosaurgrowth #paleontology

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๐Ÿ‘‹ Meet the Speakers: Dinosaurs and MOR!

๐Ÿš— Dr. Josh Bonde takes us Paleo-tripping across Nevada, exploring fossils from the Silver State.

๐Ÿฆ– Dr. Holly Woodward unpacks Theropod Growth, revealing how Allosaurus & Tyrannosaurus grew in cycles to adapt.

#DinosaursAndMOR #Paleontology #DinosaurGrowth

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