Austroposeidon is an extinct genus of titanosaurian sauropod dinosaur from the Late Cretaceous of Brazil. It contains one species, Austroposeidon magnificus.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0