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Original drawing of Tlatolophus

beaked plant-eater

Tlatolophus

Say it like this: “TLAH-toh-LO-fus”

Tlatolophus galorum

Tlatolophus ate plants and walked on two or four legs. It lived in the Late Cretaceous. Bones have been found in Mexico.

When
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Named in
2021 · Ramírez-Velasco, A. A.; Aguilar, F. J.; Hernández-Rivera, R.; Gudiño Maussán, J. L.; Lara Rodríguez, M.; Alvarado-Ortega, J.
Hip height
2.7 m · 9 ft
Length
8 m · 26 ft
Weight
3 tonnes
Found in
Mexico · Cerro del Pueblo
Food and walking
Herbivore · Two or four legs
Kind
beaked plant-eater · Ornithopod
Family branch
Lambeosaurinae

The story in short

Tlatolophus was formally named in 2021 by A. A. Ramírez-Velasco and colleagues. The name means “word crest.”

It lived in the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Mexico, including the Cerro del Pueblo Formation. It was a herbivore and could move on two or four legs.

Published estimates put Tlatolophus at a length near 8 m, hips about 2.7 m high, and a body mass around 3 tonnes.

On the family tree it sits in Lambeosaurinae, among the ornithopod dinosaurs.

Close relatives