New Tyrannosaur Species Discovered in 'Dueling Dinosaurs' Fossil

TL;DR Summary
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.
- Researchers discover new tyrannosaur species in ‘duelling dinosaurs’ fossil The Guardian
- The Case of the Tiny Tyrannosaurus Might Have Been Cracked The New York Times
- ‘Dueling Dinosaurs’ Fossil Solves the Mystery of a ‘Mini T. rex Scientific American
- Tiny Triceratops-Tackling Tyrannosaur Was Its Own Species, Not A Baby T. Rex IFLScience
- Decades of T. Rex Research Flipped: 'Teacup Tyrant' Confirmed as Separate Species ScienceAlert
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