Dinosaur skeleton identified as a rival species, not a T. rex

Scientists have identified a previously mysterious dinosaur, initially thought to be a juvenile T. rex, as a distinct species named Nanotyrannus lancensis, based on a complete skeleton found in Montana. This discovery, which highlights significant differences from T. rex, suggests that Nanotyrannus was a small, agile predator that coexisted with T. rex, prompting further questions about dinosaur diversity and predatory dynamics during their era.

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