Nature 417, 936–938 (2002); doi:10.1038/nature00818
In this Letter, we considered the bird-like footprints from the former Santo Domingo Formation of northwest Argentina to be of Late Triassic age. Recent radiometric dating1 of the sedimentary sequence containing these bird-like footprints (renamed as the Laguna Brava Formation) indicated a Late Eocene age. Further geological studies2 suggest that the region suffered a complex deformation during the Andean orogeny, including block rotation. In consequence, our previous inferences about the possible implications of this finding for the fossil record of Aves are no longer supported. This Retraction has not been signed by J.F.G. Correspondence should be addressed to R.N.M. (rmelchor@exactas.unlpam.edu.ar).
References
Melchor, R. N., Buchwaldt, R. & Bowring, S. A. A Late Eocene date for Late Triassic bird tracks. Nature 495, E1–E2 (2013)
Vizán, H. et al. Geological setting and paleomagnetism of the Eocene red beds of Laguna Brava Formation (Quebrada Santo Domingo, northwestern Argentina). Tectonophysics 583, 105–123 (2013)
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The online version of the original article can be found at 10.1038/nature00818
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Melchor, R., de Valais, S. & Genise, J. Retraction Note: Bird-like fossil footprints from the Late Triassic. Nature 501, 262 (2013). https://doi.org/10.1038/nature12497
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DOI: https://doi.org/10.1038/nature12497
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