Title:Escarabajos (Coleoptera: Scarabaeoidea) del departamento del Chocó, Colombia / Beetles (Coleoptera: Scarabaeoidea) from Department of Chocó, Colombia
Title:A distinctive new species of biting midge in the subgenus Euprojoannisia Brèthes from Mexico with new records of Neotropical species of Forcipomyia Meigen (Diptera: Ceratopogonidae)
Title:Anatomy and phylogenetic relationships of a new catfish species from
northeastern Argentina with comments on the phylogenetic relationships of the
genus Rhamdella Eigenmann and Eigenmann 1888 (Siluriformes, Heptapteridae)
Title:Sobre la presencia de un supuesto Haplodontheriinae (Mammalia, Toxodontidae) en el Pleistoceno tardío de la provincia de Corrientes, Argentina / On the presence of an alleged Haplodontheriinae (Mammalia, Toxodontidae) from the late Pleistocene of the Corrientes province (Argentina)
Title:Diatomeas perifíticas de la cuenca del río Sauce Grande (Buenos Aires, Argentina) / Periphytic diatoms of the Sauce Grande River Basin (Buenos Aires, Argentina)