Title:Cranial morphology of the late Oligocene Patagonian notohippid Rhynchippus equinus Ameghino, 1897 (Mammalia, Notoungulata) with emphases in basicranial and auditory region
Title:Estratigrafía, mamíferos fósiles y edad de las secuencias volcanosedimentarias eoceno-miocenas de la sierra de Huantraico-sierra Negra y cerro Villegas (provincia del Neuquén, Argentina) / Stratigraphy, fossil mammals, and age of the Eocene-Miocene volcano-sedimentary sequences of sierra Huantraico-sierra Negra and cerro Villegas (Neuquén Province, Argentina)