Now showing items 1-4 of 4

    • A new species of the genus Echinorhinus (Chondrichthyes, Echinorhiniformes) from the upper cretaceous of southern South America (Argentina-Chile) 

      Bogan, Sergio; Agnolin, Federico L.; Otero, Rodrigo A.; Brisson Egli, Federico; Suárez, Mario E.; Soto Acuña, Sergio; Novas, Fernando E. (Elsevier, 2017)
      We describe isolated shark teeth collected from levels of the Calafate Formation at the SE coast of the Argentino Lake, Calafate city, Santa Cruz province, Argentina (Atlantic Ocean), and from the Algarrobo coast at the ...
    • An enigmatic plant-eating theropod from the Late Jurassic period of Chile 

      Novas, Fernando E.; Salgado, Leonardo; Suárez, Manuel; Agnolín, Federico L.; Ezcurra, Martín D.; Chimento, Nicolás R.; Cruz, Rita de la; Isasi, Marcelo P.; Vargas Milne, Alexander; Rubilar Rogers, David (Macmillan, 2015)
      Theropod dinosaurs were the dominant predators inmost Mesozoic era terrestrial ecosystems(1). Early theropod evolution is currently interpreted as the diversification of various carnivorous and cursorial taxa, whereas the ...
    • Forelimb posture in Chilesaurus diegosuarezi (Dinosauria, Theropoda) and its behavioral and phylogenetic implications 

      Chimento, Nicolás R.; Agnolin, Federico L.; Novas, Fernando E.; Ezcurra, Martín D.; Salgado, Leonardo; Isasi, Marcelo P.; Suarez, Manuel; Cruz, Rita de la; Rubilar Rogers, David; Vargas Milne, Alexander (Asociacion Paleontologica Argentina, 2017)
      Many dinosaur skeletons show evidence of behavior, including feeding, predation, nesting, and parental care. The resting posture of the forelimbs has been studied in some theropod species, in relation to the acquisition ...
    • Late Jurassic Sauropods In Chilean Patagonia 

      Salgado, Leonardo; Novas, Fernando E.; Suárez, Manuel; Cruz, Rita de la; Isasi, Marcelo; Rubilar Rogers, David; Vargas, Alexander O. (Asociacion Paleontologica Argentina, 2015)
      A description is provided of the first sauropod remains (i.e., isolated vertebrae and appendicular bones) from the Late Jurassic of Aysen, in Chilean Patagonia (Toqui Formation, late Tithonian). Although the bones found ...