Jobaria

Say it like this: “joh-BAHR-ee-uh”

Jobaria tiguidensis

Jobaria ate plants and walked on four legs. It lived in the Middle Jurassic. Bones have been found in Niger.

Quiz me on Jobaria

When: Middle Jurassic (Bathonian · Callovian) · roughly 168.2 to 161.5 million years ago
Named in: 1999 · Sereno, P. C.; Beck, A. L.; Dutheil, D. B.; Larsson, H. C. E.; Lyon, G. H.; Moussa, B.; Sadleir, R. W.; Sidor, C. A.; Varricchio, D. J.; Wilson, G. P.; Wilson, J. A.
Hip height: 3.3 m · 11 ft
Length: 16–18.2 m · 52–60 ft
Weight: 16–22.4 tonnes
Found in: Niger · Tiourarén
Food and walking: Herbivore · Four legs
Kind: long-neck giant · Sauropod
Family branch: Eusauropoda

The story in short

In 1999, P. C. Sereno and colleagues published the name Jobaria. The name honors a person tied to the fossil or its study.

Fossils referred to Jobaria date to the Middle Jurassic (Bathonian · Callovian), roughly 168.2 to 161.5 million years ago. Finds come from Niger, including the Tiourarén Formation. It was a herbivore and walked on four legs.

Published estimates put Jobaria at a length near 16–18.2 m, hips about 3.3 m high, and a body mass around 16–22.4 tonnes.

On the family tree it sits in Eusauropoda, among the sauropod dinosaurs.

Close relatives

Algoasaurus

Algoasaurus bauri

Early Cretaceous (Berriasian · Valanginian) · roughly 143.1 to 132.6 million years ago

Atlasaurus

Atlasaurus imelakei

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

Bagualia

Bagualia alba

Early Jurassic (Toarcian) · roughly 184.2 to 174.7 million years ago