A 2015 re-assessment of Laplatasaurus found it to be closely related to Bonitasaura, Futalognkosaurus, Mendozasaurus, and Uberabatitan.
A 2015 re-evaluation of Laplatasaurus indicated it is closely related to Bonitasaura, Futalognkosaurus, Mendozasaurus, and Uberabatitan.