2002. Bertelli, S., Giannini N. P. & P. A. Goloboff. A Phylogeny of the Tinamous (Aves: Palaeognathiformes) Based on Integumentary Characters. Systematic Biology 51(6): 959-979. [pdf]

2002. Bertelli, S.& P. L. Tubaro. Body mass and habitat correlates of song structure in a primitive group of birds. Biological Journal of the Linnean Society 77: 423-430. [pdf]

2004. Bertelli, S. Pigmentation Characters: An example of sankoff characters from Tinamou phylogeny. Ornitologia Neotropical 15 suppl.: 1-7. [pdf]

2004. Bertelli, S.& A. L. Porzecanski. Tinamou (Tinamidae) Systematics: A Preliminary Combined Analysis of Morphology and Molecules. Ornitologia Neotropical 15 suppl.: 1-7. [pdf]

2005. Bertelli, S.& N. P. Giannini. A Phylogeny of extant penguins (Aves: Sphenisciformes) morphology and mitochondrial sequences. Cladistics 21: 209-239. [pdf]

2005. Bertelli, S. & L. M. Chiappe. Earliest tinamous (Aves: Palaeognathae) from the Miocene of Argentina & their phylogenetic position. Contributions in Science 502: 1-20. [pdf]