Dinosaurs A to Z
Rebbachisauridae

Cienciargentina sanchezi

Generic sauropod body-plan outline
You 1.8 m (5.9 ft) tall
Cienciargentina 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 Cienciargentina
Length
5 m (16.4 ft)
Period
Late Cretaceous (100–66 Mya)
Place
Argentina
Food
Herbivore
Clade
Rebbachisauridae
Cienciargentina reconstruction by Connor Ashbridge
Reconstruction · Connor Ashbridge (CC-BY)

Cienciargentina is a genus of rebbachisaurid sauropod from the Late Cretaceous (Cenomanian–Turonian) Huincul Formation of Argentina. The genus contains a single species, Cienciargentina sanchezi, known from three partial skeletons of different sizes. Cienciargentina is the fourth definitive rebbachisaurid to be named from the Huincul Formation.

What we know

  • Named by Simón & Salgado, 2025.
  • Fossils found in Argentina.

What we guess

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