Title:Potential responses of oligochaetes (Annelida, Clitellata) to global changes: experimental fertilization in a lowland stream of Argentina (South America)
Title:Nuevos materiales de Macranhinga paranensis Noriega (Aves, Pelecaniformes, Anhingidae) del Mioceno de la provincia de Entre Ríos, Argentina / New remains of Macranhinga paranensis Noriega (Aves, Pelecaniformes, Anhingidae) from the miocene of Entre Ríos Province, Argentina