Title:First records of invasive snail Melanoides tuberculatus (Gastropoda: Prosobranchia: Thiaridae) to the Iguazú River basin, Argentina-Brazil / Primera mención del caracol invasor Melanoides tuberculatus (Müller) (Gastropoda: Prosobranchia: Thiaridae) para la Cuenca del Río Iguazú, Argentina – Brasil
Title:Tropidurus semitaeniatus (Squamata: Tropiduridae) as seed disperser of the plant Commiphora leptophloeos (Burseraceae) in the Caatinga of Northeastern Brazil