Eolambia

Say it like this: “EE-oh-LAM-bee-a”

Eolambia caroljonesa

Eolambia 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 Eolambia

When: Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Named in: 1998 · Kirkland, J. I.
Hip height: 2 m · 7 ft
Length: 5.2–6.1 m · 17–20 ft
Weight: 1 tonnes
Found in: the United States · Cedar Mountain
Food and walking: Herbivore · Two or four legs
Kind: beaked plant-eater · Ornithopod
Family branch: Hadrosauromorpha

The story in short

In 1998, J. I. Kirkland published the name Eolambia.

Fossils referred to Eolambia date to the Late Cretaceous (Cenomanian), roughly 100.5 to 93.9 million years ago. Finds come from the United States, including the Cedar Mountain Formation. It was a herbivore and could move on two or four legs.

Published estimates put Eolambia at a length near 5.2–6.1 m, hips about 2 m high, and a body mass around 1 tonnes.

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

Fylax

Fylax thyrakolasus

Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago