Yutyrannus

Say it like this: “YOO-tie-ran-us”

Yutyrannus huali

Yutyrannus ate meat and walked on two legs. It lived in the Early Cretaceous. Bones have been found in China.

Quiz me on Yutyrannus

When: Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
Named in: 2012 · Xu, X.; Wang, K.; Zhang, K.; Ma, Q.; Xing, L.; Sullivan, C.; Hu, D.; Cheng, S.; Wang, S.
Hip height: Not established
Length: 7.5–9 m · 25–30 ft
Weight: 0.5–1.4 tonnes
Found in: China · Yixian
Food and walking: Carnivore · Two legs
Kind: sharp-clawed runner · Theropod
Family branch: Proceratosauridae

The story in short

Yutyrannus was formally named in 2012 by X. Xu and colleagues.

Fossils referred to Yutyrannus date to the Early Cretaceous (Barremian), roughly 125.8 to 121.4 million years ago. Finds come from China, including the Yixian Formation. It was a carnivore and walked on two legs.

Published estimates put Yutyrannus at a length near 7.5–9 m and a body mass around 0.5–1.4 tonnes.

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

Close relatives

Guanlong

Guanlong wucaii

Middle Jurassic · Late Jurassic (Callovian · Oxfordian) · roughly 165.3 to 154.8 million years ago

Kileskus

Kileskus aristotocus

Middle Jurassic (Bathonian) · roughly 168.2 to 165.3 million years ago

Proceratosaurus

Proceratosaurus bradleyi

Middle Jurassic (Bathonian) · roughly 168.2 to 165.3 million years ago