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Original drawing of Saurophaganax

sharp-clawed runner · Disputed

Saurophaganax

Say it like this: “SAWR-o-FAG-a-naks”

Saurophaganax maximus

Saurophaganax ate meat and walked on two legs. It lived in the Late Jurassic. Bones have been found in the United States.

When
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago
Named in
1995 · Chure, D. J.
Hip height
3.2 m · 11 ft
Length
12 m · 39 ft
Weight
4.5 tonnes
Found in
the United States · Morrison
Food and walking
Carnivore · Two legs
Kind
sharp-clawed runner · Theropod
Family branch
Allosauridae

The story in short

In 1995, D. J. Chure published the name Saurophaganax. The name means “lord of lizard-eaters.”

Fossils referred to Saurophaganax date to the Late Jurassic (Kimmeridgian · Tithonian), roughly 154.8 to 143.1 million years ago. Finds come from the United States, including the Morrison Formation. It was a carnivore and walked on two legs.

Published estimates put Saurophaganax at a length near 12 m, hips about 3.2 m high, and a body mass around 4.5 tonnes.

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

Close relatives