Dinosaurs A to Z
Mamenchisauridae

Rhomaleopakhus turpanensis

"strong forearm"

Generic sauropod body-plan outline
You 1.8 m (5.9 ft) tall
Rhomaleopakhus 5 m (16.4 ft) long
as long as 3 people standing fingertip to fingertip
generic sauropod body plan, scaled to length — not a silhouette of Rhomaleopakhus
Length
5 m (16.4 ft)
Period
Late Jurassic (145 Mya)
Place
China · Japan
Food
Herbivore
Clade
Mamenchisauridae

Rhomaleopakhus (meaning “strong forearm”) is a genus of mamenchisaurid sauropod dinosaur from the Late Jurassic Kalaza Formation of China. The type and only species is Rhomaleopakhus turpanensis.

What we know

  • Named by Upchurch et al., 2021.
  • Fossils found in China and Japan.

What we guess

The reconstruction notes for Rhomaleopakhus — soft tissue, color, behavior — haven't been written up yet. Only the recorded basics above are filled in so far.