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Original drawing of Eoneophron

sharp-clawed runner

Eoneophron

Say it like this: “ee-oh-NEE-oh-fron”

Eoneophron infernalis

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

When
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Named in
2024 · Atkins-Weltman, K. L.; Simon, D. J.; Woodward, H. N.; Funston, G. F.; Snively, E.
Hip height
Not established
Length
2.4 m · 8 ft
Weight
78 kg · 172 lb
Found in
the United States · Hell Creek
Food and walking
Omnivore · Two legs
Kind
sharp-clawed runner · Theropod
Family branch
Caenagnathidae

The story in short

The genus Eoneophron dates to 2024, the year K. L. Atkins-Weltman and colleagues described it. The name means “dawn Neophron.”

It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from the United States, including the Hell Creek Formation. It was an omnivore and walked on two legs.

Published estimates put Eoneophron at a length near 2.4 m and a body mass around 78 kg.

On the family tree it sits in Caenagnathidae, among the theropod dinosaurs.

Close relatives