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Tyrannosaurusrex

All articles tagged with #tyrannosaurusrex

New Study Challenges Previous T. Rex Theories
science1 year ago

New Study Challenges Previous T. Rex Theories

A new study challenges the 2023 claim that Tyrannosaurus rex had intelligence comparable to modern monkeys, suggesting instead that T. rex's brain size and neuron count were overestimated. Researchers argue that intelligence in extinct species cannot be accurately predicted based solely on neuron counts from endocasts. The study emphasizes the need for multiple lines of evidence to assess prehistoric intelligence, concluding that T. rex was likely more akin to smart giant crocodiles rather than primates.

"Debate Intensifies Over T. Rex Identity Amid New Fossil Controversy"
science2 years ago

"Debate Intensifies Over T. Rex Identity Amid New Fossil Controversy"

A new study by researchers from the University of Bath and University of Chicago suggests that what were previously thought to be juvenile Tyrannosaurus rex specimens might actually be a distinct species, potentially called Nanotyrannus. The study, published in the journal of Fossil Studies, analyzed growth rings in fossils and found evidence of slower growth rates, as well as over 150 distinct anatomical features, such as narrower snouts and longer arms, differentiating them from T. rex. This challenges previous beliefs and suggests that the smaller dinosaurs were not just young T. rexes but a separate species that relied on speed rather than size and strength. The debate continues as not all scientists are convinced by the new findings.

"Debate Reignites as Studies Clash Over Tiny Tyrannosaurs' True Identity"
science2 years ago

"Debate Reignites as Studies Clash Over Tiny Tyrannosaurs' True Identity"

A new study published in the journal Fossil Studies claims that certain controversial dinosaur fossils belong to Nanotyrannus lancensis, not juvenile Tyrannosaurus rex, based on growth ring analysis and anatomical reconstruction. However, the study has been met with skepticism from other experts who argue that the differences observed can be attributed to growth variation in tyrannosaurs, and that the key fossils needed to definitively settle the debate have not yet been discovered. The debate over whether Nanotyrannus is a distinct species or simply a young T. rex continues, with some paleontologists open to the possibility of a second species in the Tyrannosaurus genus but calling for more convincing evidence.

"Debate Rages On: Are Nanotyrannus and T. Rex Distinct Species?"
science2 years ago

"Debate Rages On: Are Nanotyrannus and T. Rex Distinct Species?"

A new study published in the journal Fossil Studies reignites the debate over whether certain dinosaur fossils belong to a young Tyrannosaurus rex or a separate species called Nanotyrannus lancensis. The study's authors argue that growth ring patterns and anatomical features suggest the fossils represent a distinct species, but other experts remain unconvinced, pointing to a lack of consensus on growth variation in tyrannosaurs and the need for more definitive fossil evidence. The controversy continues as the scientific community searches for more data to conclusively resolve the identity of these prehistoric remains.

"Deciphering Dinosaur Debates: Are Tiny Tyrannosaurs a Distinct Species?"
science2 years ago

"Deciphering Dinosaur Debates: Are Tiny Tyrannosaurs a Distinct Species?"

A new study led by Dr. Nick Longrich from the University of Bath challenges the prevailing view that the Nanotyrannus lancensis fossils are juvenile T. rex specimens, arguing instead that they represent a distinct species. The research, published in the journal Fossil Studies, points to around 150 anatomical differences and growth patterns inconsistent with juvenile T. rex, suggesting Nanotyrannus was a smaller, mature tyrannosaur. Despite this, the debate among paleontologists continues, with some experts remaining unconvinced and calling for more evidence to resolve the species classification of these controversial dinosaur fossils.

"Scientists Declare Tiny Tyrannosaurs a Unique Species, Ending T. rex Debate"
science-and-environment2 years ago

"Scientists Declare Tiny Tyrannosaurs a Unique Species, Ending T. rex Debate"

Scientists from the University of Bath have resolved a long-standing debate by determining that certain fossilized skulls, originally thought to be from juvenile Tyrannosaurus Rexes, actually belong to a different species, the Nanotyrannus lancensis. The conclusion was drawn from analysis of growth rings in the bones and growth modeling, which showed that the dinosaurs in question were not growing at the rate expected of young T. Rexes. The study, which changes our understanding of these prehistoric creatures, was published in the journal Fossil Studies.

"Deciphering Dinosaur Identity: The Baby T. Rex vs. Nanotyrannus Controversy"
science2 years ago

"Deciphering Dinosaur Identity: The Baby T. Rex vs. Nanotyrannus Controversy"

A dinosaur fossil, known as Chomper, is at the center of a scientific debate and is listed for sale in London for $20 million. Paleontologists are divided on whether it is a juvenile T. rex or a distinct species called Nanotyrannus. The controversy has implications for both scientific research and the commercial value of dinosaur fossils, as the T. rex name carries significant branding weight. The debate has persisted for decades, with new research and discoveries fueling ongoing discussions. The sale of such fossils raises concerns about accessibility for scientific study, as high auction prices could place important specimens beyond the reach of researchers.