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Original drawing of Xixianykus

sharp-clawed runner

Xixianykus

Say it like this: “shee-SHYAH-NY-kus”

Xixianykus zhangi

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

When
Late Cretaceous (Coniacian · Santonian) · roughly 89.8 to 83.6 million years ago
Named in
2010 · Xu, X.; Wang, De-Y.; Sullivan, C.; Hone, D. W. E.; Han, F. L.; Yan, R. H.; Du, F. M.
Hip height
0.2 m · 1 ft
Length
0.5 m · 2 ft
Weight
1 kg · 2 lb
Found in
China · Majiacun
Food and walking
Carnivore · Two legs
Kind
sharp-clawed runner · Theropod
Family branch
Parvicursorinae

The story in short

In 2010, X. Xu and colleagues published the name Xixianykus. The name means “xixia claw.”

It lived in the Late Cretaceous (Coniacian · Santonian), roughly 89.8 to 83.6 million years ago. Finds come from China, including the Majiacun Formation. It was a carnivore and walked on two legs.

Published estimates put Xixianykus at a length near 0.5 m, hips about 0.2 m high, and a body mass around 1 kg.

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

Close relatives