Nanotyrannus Isn T A Juvenile T Rex It S A Separate Dinosaur

The morphology of Nanotyrannus combines characteristics from more basal tyrannosauroids, such as Moros and Xiongguanlong, with more derived tyrannosaurids. Unlike Tyrannosaurus, …

3 days ago · A new approach using the hyoid bone uncovered distinct growth patterns. A new study has brought clarity to a long-running debate in dinosaur research by strengthening the …

Dec 4, 2025 · A new study, based in part on samples from the Yale Peabody Museum, shows that a small dinosaur thought to be a juvenile Tyrannosaurus rex was actually a distinct species.

Oct 30, 2025 · We couple comparative anatomy, longitudinal growth models, observations on ontogenetic character invariance and a novel phylogenetic dataset to test the validity of …

Oct 30, 2025 · Nanotyrannus appears to be a separate, smaller relative of Tyrannosaurus rex that shared its habitat. This illustration visualizes a Nanotyrannus pack attacking a juvenile T. rex.

Dec 4, 2025 · A new paper published in Science has definitively shown that Nanotyrannus is, in fact, nearly fully grown and not an immature T. rex, at the same time revealing new insights …

Oct 30, 2025 · The fossilized snout of Nanotyrannus, which has different nerve patterns, sinus structures and more teeth than T. rex does.

Dec 9, 2025 · Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone provided the key evidence, matching growth signals …

Oct 30, 2025 · It wasn’t until 1988 that scientists proposed that the skull was actually that of a new species, Nanotyrannus. It’s been a constant back-and-forth ever since.

Nov 8, 2025 · It was a fully grown Nanotyrannus lancensis. That single revelation has rewritten a major chapter of dinosaur evolution and forced scientists to question what they thought they …