Jiangjunosaurus

Say it like this: “jee-AHNG-joo-no-SOR-us”

Jiangjunosaurus junggarensis

Jiangjunosaurus ate plants and walked on four legs. It lived in the Middle Jurassic · Late Jurassic. Bones have been found in China.

Quiz me on Jiangjunosaurus

When: Middle Jurassic · Late Jurassic (Callovian · Oxfordian) · roughly 165.3 to 154.8 million years ago
Named in: 2007 · Jia, C.; Forster, C. A.; Xu, X.; Clark, J. M.
Hip height: 1.5 m · 5 ft
Length: 6 m · 20 ft
Weight: 2.5 tonnes
Found in: China · Shishugou
Food and walking: Herbivore · Four legs
Kind: plated dinosaur · Stegosaur
Family branch: Stegosaurinae

The story in short

In 2007, C. Jia and colleagues published the name Jiangjunosaurus. The name honors a person tied to the fossil or its study.

Fossils referred to Jiangjunosaurus date to the Middle Jurassic · Late Jurassic (Callovian · Oxfordian), roughly 165.3 to 154.8 million years ago. Finds come from China, including the Shishugou Formation. It was a herbivore and walked on four legs.

Published estimates put Jiangjunosaurus at a length near 6 m, hips about 1.5 m high, and a body mass around 2.5 tonnes.

On the family tree it sits in Stegosaurinae, among the plated dinosaurs.

Close relatives

Hesperosaurus

Hesperosaurus mjosi

Late Jurassic · Early Cretaceous (Oxfordian–Berriasian) · roughly 161.5 to 137.1 million years ago

Loricatosaurus

Loricatosaurus priscus

Middle Jurassic (Callovian) · roughly 165.3 to 161.5 million years ago

Stegosaurus

Stegosaurus stenops

Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago