Outline: a typical sauropod
Rhomaleopakhus
"strong forearm"
Type species Rhomaleopakhus turpanensis
- Lived
- 152 to 143 million years ago, Late Jurassic to Early Cretaceous
- Diet
- Herbivore
- Group
- Sauropods, Mamenchisauridae
- Found in
- China
- Named by
- Upchurch et al. 2021
Where its fossils were found
The evidence
Today
150 million years ago
Field notes
About Rhomaleopakhus
What it was like
Rhomaleopakhus was a mamenchisaurid, a sauropod with a very long neck, related to Mamenchisaurus. It is known from a front leg and some neck bones.
Its world
It lived in the Late Jurassic, in what is now China. It comes from the Kalazha Formation, where the large sauropod Hudiesaurus has also been found.
How it was found
Upchurch and colleagues named Rhomaleopakhus in 2021. The type species is Rhomaleopakhus turpanensis. Its bones had first been placed in Hudiesaurus.
Lived alongside
Found in the same rock formations
Close relatives
Other members of Mamenchisauridae
- OmeisaurusMiddle Jurassic to Early Cretaceous
- BellusaurusLate Jurassic
- XinjiangtitanMiddle Jurassic to Early Cretaceous
- AbrosaurusMiddle Jurassic to Late Jurassic
- TongnanlongLate Jurassic to Early Cretaceous
- UragasaurusLate Jurassic to Early Cretaceous
- Zigongosaurussauropod
Sources: WikidataNamed in: P. Upchurch, P. D. Mannion, and X. Xu, P. M. Barrett. 2021. Re-assessment of the Late Jurassic eusauropod dinosaur Hudiesaurus sinojapanorum Dong, 1997, from the Turpan Basin, China, and the evolution of hyper-robust antebrachia in sauropods. Journal of Vertebrate Paleontology