Argentine

Candeleros fm. (Upper Cretaceous) near Cerro El Vagon, Neuquen, Argentina.

Argentinosaurus huinculensis reconstruction at Museo Municipal Carmen Funes, Plaza Huincul, Neuquén, Argentina.

Skeleton of Tehuelchesaurus at the Museo Paleontológico Egidio Feruglio in Trelew, Argentina

Skeleton of Bagualia at the Museo Paleontológico Egidio Feruglio in Trelew, Argentina

Fossil at the Museo Argentino de Ciencias Naturales in Caballito, Buenos Aires, Argentina.

The Natural Science Museum at El Chocón, in the northwestern Argentine Patagonia (the Comahue region). Fossil of dinosaur

Partial skull of Manidens condorensis from the Middle Jurassic Cañadón Asfalto Formation of Argentina. Skull reconstructions in lateral view. Dashed lines indicate estimated edges. Abbreviations: a angular antfo antorbital fossa asaf anterior surangular foramen be buccal emargination bo basioccipital bt basal tubera d dentary d1, 2, 11 dentary tooth 1, 2, 11 emfo external mandibular fossa f frontal gl glenoid gr groove j jugal jfl jugal flange jh jugal horn m maxilla m1, 11 maxillary tooth 1, 11 n nasal pd predentary pm premaxilla po postorbital pof postorbital fossa popr paroccipital process q quadrate qj quadratojugal ri ridge sa surangular sq squamosal.

Figure 1: Geographic provenance and speculative reconstruction of the gigantic titanosaurian sauropod dinosaur Notocolossus gonzalezparejasi gen. et sp. nov. (a) Type locality of Notocolossus (indicated by star) in southern-most Mendoza Province, Argentina. (b) Reconstructed skeleton and body silhouette in right lateral view, with preserved elements of the holotype (UNCUYO-LD 301) in light green and those of the referred specimen (UNCUYO-LD 302) in orange. Scale bar, 1 m. (All images were hand drawn by the senior author [B.J.G.R.] and subsequently edited using Adobe Illustrator software.)

Sarmientichnus footprints from Argentina

Photograph of the skeleton of Patagosaurus fariasi Bonaparte, 1979. The skeleton is on display at Museo Argentino de Ciencias Naturales, in Argentina. Patagosaurus is a basal eusauropodan, closely related to Cetiosaurus possibly within Cetiosauridae. Photograph by Mathijs de Bruijne.