Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page.
Dinosaur: Itapeuasaurus cajapioensis

Length*: | 7.5 m | 24.6 ft |
Weight*: | 800 kg | 1,764 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Cenomanian
Years: 100.5–93.9 Ma
Details
Status: valid
Author: Lindoso et al.
Year: 2019
Distribution
Area: South America
Country: Brazil
Region: Maranhão
Formation: Alcântara
Locations
Sources
Material: Vertebrae, chevrons, incomplete ischium.
References: Lindoso, R.M., Medeiros, M.A.A., Carvalho, I.S., Pereira, A.A., Mendes, I.D., Iori, F.V., Sousa, E.P., Arcanjo, S.H.S., & Silva, T.C.M. (2019). A new rebbachisaurid (Sauropoda: Diplodocoidea) from the middle Cretaceous of northern Brazil.