Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

Baron et al. reply


This is a preview of subscription content, access via your institution

Relevant articles

Open Access articles citing this article.

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Figure 1: Results of the phylogenetic analysis of the dataset following the re-scoring of Pisanosaurus mertii.


  1. Baron, M. G., Norman, D. B. & Barrett, P. M. A new hypothesis of dinosaur relationships and early dinosaur evolution. Nature 543, 501–506 (2017)

    Article  ADS  CAS  Google Scholar 

  2. Langer, M. C. et al. Untangling the dinosaur family tree. Nature 551, (2017)

    Article  ADS  Google Scholar 

  3. Agnolín, F. L. & Rozadilla, S. Phylogenetic reassessment of Pisanosaurus mertii Casamiquela, 1967, a basal dinosauriform from the Late Triassic of Argentina. J. Syst. Palaeontol. 1–27 (2017)

  4. Irmis, R. B. et al. Early ornithischian dinosaurs: the Triassic record. Hist. Biol. 19, 3–22 (2007)

    Article  Google Scholar 

  5. Cabreira, S. F. et al. A unique Late Triassic dinosauromorph assemblage reveals dinosaur ancestral anatomy and diet. Curr. Biol. 26, 3090–3095 (2016)

    Article  CAS  Google Scholar 

  6. Ferigolo, J. & Langer, M. C. A Late Triassic dinosauriform from south Brazil and the origin of the ornithischian predentary bone. Hist. Biol. 19, 23–33 (2007)

    Article  Google Scholar 

  7. Niedz´ wiedzki, G. et al. Basal dinosauriform and theropod dinosaurs from the mid–late Norian (Late Triassic) of Poland: implications for Triassic dinosaur evolution and distribution. Palaeontology 57, 1121–1142 (2014)

    Article  Google Scholar 

  8. Novas, F. E. Dinosaur monophyly. J. Vertebr. Paleontol. 16, 723–741 (1996)

    Article  Google Scholar 

  9. Nesbitt, S. J. et al. The earliest bird-line archosaurs and the assembly of the dinosaur body plan. Nature 544, 484–487 (2017)

    Article  ADS  CAS  Google Scholar 

  10. Goloboff, P. A., Farris, J. S. & Nixon, K. TNT, a free program for phylogenetic analysis. Cladistics 24, 774–786 (2008)

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Matthew G. Baron.

PowerPoint slides

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Baron, M., Norman, D. & Barrett, P. Baron et al. reply. Nature 551, E4–E5 (2017).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing