Title:A new species of Liolaemus of the archeforus group from the precordilleran valley of the Zeballos river, Santa Cruz Province, Argentina (Reptilia, Tropiduridae)
Title:A new species of Liolaemus of the bibroni group from granitic ravines of Achiras, Sierra de Comechingones, Córdoba, Argentina (Reptilia: Tropiduridae)
Title:On Megatherium gallardoi (Mammalia, Xenarthra, Megatheriidae) and the Megatheriinae from the Ensenadan (lower to middle Pleistocene) of the Pampean region, Argentina / Sur Megatherium gallardoi (Mammalia, Xenarthra, Megatheriidae) et les Megatheriinae de l’Ensénadéen (Pléistocène inférieur à moyen) de la région pampéenne, Argentine
Title:Ecological determinants of Tyrannus flycatcher nestling growth at northand south-temperate latitudes / Determinantes ecológicos del crecimiento del pichón de Tyrannus flycatcher en latitudes templadas del norte y del sur