Title:Taxonomic revision of the genus Gamochaeta Wedd. (Gnaphalieae, Asteraceae) in Chile / Revisión taxonómica del género Gamochaeta Wedd. (Gnaphalieae, Asteraceae) en Chile
Title:On the type of Schismotherium fractum Ameghino, 1887 (Xenarthra, Folivora, Megatherioidea) from the Early Miocene Santa Cruz Formation (Santa Cruz province, Argentina)
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:Polygenis (Polygenis) platensis (Jordan & Rothschild) (Siphonaptera: Rhopalopsyllidae, Rhopalopsyllinae), a New Record in Brazil / Polygenis (Polygenis) platensis (Jordan & Rothschild) (Siphonaptera: Rhopalopsyllidae, Rhopalopsyllinae), um Novo Registro no Brasil
Title:Aspectos epistemológicos sobre la clasificación biológica y la praxis de la sistemática filogenética / Epistemological aspects in biological classification and philogenetic systematics practice