Abstract
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ACKNOWLEDGMENTS
We are grateful to L. Cavin and J. Kriwet for the helpful comments on the manuscript during the review process. We also would like to thank D. M. Martill for improving the English style. We thank M. C. Perrilliat Montoya and V. A. Romero Mayén for their help and hospitality during our visit to the Colección Nacional de Paleontología of Instituto de Geología of the Universidad Nacional Autónoma de México. G.P.M. and J.A.O also thank the support of the UNAM-PAPIIT project IN106011. G.P.M. and L.P.M were supported by CAPES and CNPq. P.M.B. was supported by CNPq and FAPERJ.
Handling editor: Charlie Underwood