Fig. 1

Location and geological map showing the distribution of the new titanosauriform specimens described here (MCF-PVPH 916 and 917) from the Portezuelo Formation. A, Neuquén Basin; B, detail of the fossiliferous localities (marked with yellow dots) from which the materials of the present study arise. Location map based on satellite image acquired from Google Earth (December 23, 2023; Data SIO, NOAA, US Navy, GEBCO; Image Landsat/Copernicus)