Title:Actualización de la distribución y algunas consideraciones sistemáticas sobre el Yal Plomizo (Phrygilus unicolor) en la Argentina / Update of the distribution and some systematic considerations of the Plumbeous Sierra-Finch (Phrygilus unicolor) in Argentina
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:Astyanax tumbayaensis, a new species from northwestern Argentina highlands (Characiformes: Characidae) with a key to the Argentinean species of the genus and comments on their distribution
Title:Redescription of Cheirodon ibicuhiensis Eigenmann, 1915 (Characiformes: Cheirodontinae), with Notes on its Distribution in Argentina / Redescripción de Cheirodon ibicuhiensis Eigenmann, 1915 (Characiformes: Cheirodontinae), con notas sobre su distribución en argentina