Lophorhothon

Say it like this: “LOF-o-ROH-thon”

Lophorhothon atopus

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

Quiz me on Lophorhothon

When: Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago
Named in: 1960 · Langston, W.
Hip height: Not established
Length: 4.5 m · 15 ft
Weight: Not established
Found in: the United States · Mooreville Chalk
Food and walking: Herbivore · Two or four legs
Kind: beaked plant-eater · Ornithopod
Family branch: Hadrosauromorpha

The story in short

Lophorhothon was formally named in 1960 by W. Langston. The name means “crested nose.”

Fossils referred to Lophorhothon date to the Late Cretaceous (Santonian · Campanian), roughly 85.7 to 72.2 million years ago. Finds come from the United States, including the Mooreville Chalk Formation. It was a herbivore and could move on two or four legs.

Published estimates put Lophorhothon at a length near 4.5 m.

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

Close relatives

Bactrosaurus

Bactrosaurus johnsoni

Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago

Claosaurus

Claosaurus agilis

Late Cretaceous (Coniacian · Santonian) · roughly 89.8 to 83.6 million years ago

Eolambia

Eolambia caroljonesa

Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago