English: Skull of Bajadasaurus pronuspinax gen. et sp. nov (MMCh-PV 75). (A) Cranial bones of Bajadasaurus in articulation in lateral view. The spatial location of disarticulated elements is inferred based on recognizable articular facets and/or by comparison with the skull of Diplodocus sp. (CM 11161). (B) Interpretative drawing of the skull of Bajadasaurus in lateral view. Missing bones are reconstructed based on the skull of Diplodocus sp. (CM 11161). an, angular; d, dentary; f, frontal; la, lacrimal; m, maxilla, os, orbitosphenoid; p, parietal; po, postorbital; popr, paraoccipital process; pt, pterygoid; q, quadrate; qj, quadratojugal; sa, surangular; sq, squamosal; stf, supratemporal fenestra.