Agile and vicious Nanotyrannus was not just a teenage T. rex

Nanotyrannus and Tyrannosaurus both were members of a lineage of meat-eating dinosaurs called tyrannosaurs, but were not the same genus, the researchers said.

The skeleton of a Nanotyrannus lancensis is displayed as part of the "Montana Dueling Dinosaurs & Distinguished Fossils" collection at Bonhams auction house in New York, November 14, 2013. The "Montana Dueling Dinosaurs", a Nanotyrannus lancensis and a Chasmosaurine Ceratopsian which experts believe

(photo credit: Shannon Stapleton/Reuters)

ByREUTERS

NOVEMBER 3, 2025 15:20

Agile and vicious Nanotyrannus was not just a teenage T. rex

Nanotyrannus and Tyrannosaurus both were members of a lineage of meat-eating dinosaurs called tyrannosaurs, but were not the same genus, the researchers said.

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Agile and vicious Nanotyrannus was not just a teenage T. rex

Nanotyrannus and Tyrannosaurus both were members of a lineage of meat-eating dinosaurs called tyrannosaurs, but were not the same genus, the researchers said.

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