Aquilarhinus

Say it like this: “AH-kwih-luh-RYE-nus”

Aquilarhinus palimentus

Aquilarhinus 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 Aquilarhinus

When: Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Named in: 2020 · Prieto-Márquez, A.; Wagner, J. R.; Lehman, T.
Hip height: 1.6 m · 5 ft
Length: 4.9 m · 16 ft
Weight: 570 kg · 1,257 lb
Found in: the United States · Aguja
Food and walking: Herbivore · Two or four legs
Kind: beaked plant-eater · Ornithopod
Family branch: Hadrosauridae

The story in short

In 2020, A. Prieto-Márquez and colleagues published the name Aquilarhinus. The name means “eagle snout.”

Fossils referred to Aquilarhinus date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from the United States, including the Aguja Formation. It was a herbivore and could move on two or four legs.

Published estimates put Aquilarhinus at a length near 4.9 m, hips about 1.6 m high, and a body mass around 570 kg.

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

Close relatives

Arstanosaurus

Arstanosaurus akkurganensis

Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago

Barsboldia

Barsboldia sicinskii

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

Cionodon

Cionodon arctatus

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