| Itapeuasaurus Temporal range: Late Cretaceous,
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|---|---|
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| Skeletal reconstruction of the holotype specimen (UFMA. 1.10.1960a), with unknown elements based on Demandasaurus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Superfamily: | †Diplodocoidea |
| Family: | †Rebbachisauridae |
| Subfamily: | †Rebbachisaurinae |
| Genus: | †Itapeuasaurus Lindoso et al. 2019 |
| Type species | |
| †Itapeuasaurus cajapioensis Lindoso et al. 2019
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Itapeuasaurus (meaning "Itapeua lizard") is a genus of rebbachisaurid sauropod dinosaur from the Alcântara Formation (Itapecuru Group) of Maranhão in Brazil. The type and only species is Itapeuasaurus cajapioensis.[1] It is the most complete Cenomanian-aged diplodocoid known from South America and it is also the first reported Cenomanian-aged rebbachisaurid discovered in South America.
- ^ Rafael Matos Lindoso; Manuel Alfredo Araújo Medeiros; Ismar de Souza Carvalho; Agostinha Araújo Pereira; Ighor Dienes Mendes; Fabiano Vidoi Iori; Eliane Pinheiro Sousa; Silvia Helena Souza Arcanjo; Taciane Costa Madeira Silva (2019). "A new rebbachisaurid (Sauropoda: Diplodocoidea) from the middle Cretaceous of northern Brazil". Cretaceous Research. 104: Article 104191. Bibcode:2019CrRes.10404191L. doi:10.1016/j.cretres.2019.104191. S2CID 201321631.