Tag

Nanotyrannus

All articles tagged with #nanotyrannus

science22 days ago•8 min saved

T. rex grew to adulthood over four decades, new study finds

A large study of 17 tyrannosaur fossils using expanded histology and advanced statistics finds Tyrannosaurus rex reached its adult mass of about eight tons after roughly 40 years, slower and more variable than previously thought. The work uncovers previously overlooked growth rings, suggests a longer subadult phase, and raises questions about whether some specimens (including Jane and Petey) belong to a separate Nanotyrannus-like species, reshaping debates about tyrannosaur growth and diversity.

via SciTechDaily|

#growth-modeling #growth-rings #nanotyrannus

science1 month ago•312 min saved

New study revises T. rex growth timeline, reached full size by 35–40 years

A study of 17 Tyrannosaurus rex fossils using polarized light reveals growth rings showing they grew slowly, not reaching a maximum size of about 8 tons until about 35–40 years old. Growth rings capture only the last 10–20 years of life, but by combining data across ages researchers reconstructed year-by-year growth, finding more variability and suggesting possible taxonomic differences such as Nanotyrannus; the findings revise the dinosaur’s growth timeline and how it occupied various ecological niches.

via CNN|

#dinosaur-growth #growth-rings #nanotyrannus

science3 months ago•4 min saved

New Discoveries Rewrite T. rex History and Reveal a Rival Species

Recent research has revealed that the small predator previously thought to be a juvenile T. rex is actually a fully grown Nanotyrannus lancensis, rewriting the understanding of dinosaur growth, evolution, and ecosystem dynamics during the Late Cretaceous period, and introducing a new species, Nanotyrannus lethaeus.

via Earth.com|

#cretaceous-ecosystem #dinosaur-discovery #fossil-evidence

science4 months ago•2 min saved

New Discoveries Challenge T. Rex and Nanotyrannus Classifications

A fossil named Jane, previously thought to be a juvenile T. rex, may actually belong to a new species called Nanotyrannus lethaeus, which is smaller and more agile, prompting a reevaluation of tyrannosaur classification.

via MyStateline|

#dinosaur #fossil #jane

science4 months ago•3 min saved

Major T. Rex Discoveries Rewrite Dinosaur History

Scientists have discovered that the 'dueling dinosaurs' fossil actually features a fully grown Nanotyrannus lancensis, not a juvenile T. rex, challenging long-held beliefs about T. rex growth and diversity, and revealing that multiple tyrannosaur species coexisted in the late Cretaceous period.

via Yahoo|

#dinosaur-debate #dinosaur-discovery #nanotyrannus

science4 months ago•3 min saved

Scientists Discover New Tyrannosaur Species, Reshaping Dinosaur History

Researchers have confirmed that Nanotyrannus is a distinct, fully grown species of tyrannosaur, not a juvenile T. rex, revealing a more diverse and competitive predator ecosystem at the end of the Cretaceous and reshaping our understanding of dinosaur evolution.

via Indian Defence Review|

#cretaceous #dinosaurs #fossil-discovery

science4 months ago•3 min saved

New Discoveries Reshape Understanding of Tyrannosaurus and Its Relatives

A recent study provides evidence that Nanotyrannus is a distinct genus from Tyrannosaurus, with two species coexisting in North America during the late Cretaceous, challenging previous assumptions about tyrannosaur ontogeny and diversity.

via Nature|

#cretaceous #dinosaur-diversity #nanotyrannus

paleontology4 months ago•2 min saved

Reevaluation of 'Teenage T. rex' Fossil Reveals a New Dinosaur Species

A fossil previously thought to be a juvenile Tyrannosaurus rex has been identified as a different species, Nanotyrannus, which was a fully grown, agile predator with distinct physical features, prompting a re-evaluation of tyrannosaur evolution.

via Nature|

#cretaceous #dinosaur-evolution #fossil

science4 months ago•2 min saved

Scientists Discover New Tyrannosaur Species, Redefining Dinosaur History

Fossils initially thought to be juvenile T. rex in Montana are actually a new species, Nanotyrannus lancensis, a small-bodied predator from the late Cretaceous period, providing new insights into dinosaur diversity and evolution.

via ABC News|

#dinosaurs #fossils #montana

science4 months ago•7 min saved

New Tyrannosaur Species Discovered, Challenging T. rex Assumptions

Scientists have discovered that a famous fossil previously thought to be a juvenile T. rex is actually a different species, Nanotyrannus lancensis, and have identified a new tyrannosaur species, challenging long-held beliefs about tyrannosaur diversity and ecosystem complexity in the late Cretaceous period.

via NPR|

#dinosaurs #fossil-discovery #nanotyrannus

science4 months ago•8 min saved

Scientists Uncover New Tyrannosaur Species, Ending Teen T. rex Debate

A new, well-preserved tyrannosaur fossil from Montana provides strong evidence that Nanotyrannus is a distinct species, challenging decades of scientific consensus that these small tyrannosaurs were just juvenile T. rex, leading to a major reassessment of tyrannosaur classification and evolution.

via The Washington Post|

#dinosaur-evolution #fossils #nanotyrannus

science4 months ago•3 min saved

New Tyrannosaur Species Discovered in 'Dueling Dinosaurs' Fossil

Researchers have identified a new species of small tyrannosaur, Nanotyrannus lancensis, from fossils previously thought to be juvenile T. rex, challenging long-held beliefs and suggesting multiple small tyrannosaur species coexisted with T. rex.

via The Guardian|

#dinosaurs #fossil-discovery #nanotyrannus

science2 years ago•6 min saved

"Nanotyrannus: Real Dinosaur or Young T. rex? The Significance of the Debate"

The debate over whether "Nanotyrannus lancensis" was a unique species or a young T. rex continues to stir controversy, with some arguing that the fossils attributed to "Nanotyrannus" are simply those of adolescent T. rex. Despite decades of debate and multiple studies, the consensus among tyrannosaur experts is that there's no solid case for "Nanotyrannus." The controversy has inflated the prices of tyrannosaur fossils at auctions, with a recent skeleton listed for sale at $20 million, reigniting the debate. However, the scientific community remains unconvinced, and the focus on "Nanotyrannus" is seen as a distraction from more meaningful paleontological research and conservation efforts.

via Slate|

#dinosaur #fossils #nanotyrannus

paleontology2 years ago•3 min saved

"T. rex: New Study Challenges Previous Understanding"

A new study suggests that miniature versions of the Tyrannosaurus rex may actually be a distinct species called Nanotyrannus, with researchers from the University of Bath and University of Chicago finding evidence that the smaller dinosaurs were likely almost full size and had over 150 distinct characteristics from their larger counterparts. This contradicts a 2020 study and has sparked a renewed debate in the paleontology community, with some scientists welcoming the new perspective while others remain unconvinced.

via New York Post |

#dinosaur-debate #fossil-studies #nanotyrannus

science2 years ago•2 min saved

"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.

via Fox News|

##dinosaurs #fossilstudy