Argentine fossil rewrites evolutionary history of a baffling dinosaur clade

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Data availability The phylogenetic data matrix and data files used in the macroevolutionary and biogeographical analyses are available at Figshare57 (https://doi.org/10.6084/m9.figshare.30569894). Code availabilityAnalytical code written for this study relied on published tools available as packages for the freely available statistical computing language R50. Scripts and files used for analyses in R are available at Figshare57 (https://doi.org/10.6084/m9.figshare.30569894).ReferencesAltangerel, P., Norell, M. A., Chiappe, L. M. & Clark, J. M. Flightless bird from the Cretaceous of Mongolia. Nature 362, 623–626 (1993).Article ADS Google Scholar Qin, Z. et al. Growth and miniaturization among alvarezsauroid dinosaurs. Curr. Biol. 31, 3687–3693 (2020).Article Google Scholar Meso, J. G. et al. Revised alvarezsaurian phylogeny and body size and evolutionary rate analyses reveal complex evolutionary history dominated by miniaturisation from a much smaller common ancestor. 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