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)
Title:Cephalobellus lobulata n. sp. (Oxyurida: Thelastomatidae) a Parasite of Neocurtilla claraziana Saussure (Orthoptera: Gryllotalpidae) from Argentina
Title:Description of Maritrema formicae sp. nov. (Digenea, Microphallidae) parasitic in the kelp gull, Larus dominicanus, from the Patagonian coast, Argentina
Title:Digenean parasites of Cariama cristata (Aves, Gruiformes) from Formosa Province, Argentina, with the description of a new species of the genus Strigea