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Nesbitt, Sterling J.; Irmis, Randall B.; Parker, William G. (2007). "A critical re-evaluation of the Late Triassic dinosaur taxa of North America". Journal of Systematic Palaeontology. 5 (2): 209–243. Bibcode:2007JSPal...5..209N. doi:10.1017/s1477201907002040. S2CID28782207.
Martz, J. W.; Mueller, B.; Nesbitt, S. J.; Stocker, M. R.; Parker, W. G.; Atanassov, M.; Fraser, N.; Weinbaum, J.; Lehane, J. (2013). "A taxonomic and biostratigraphic re-evaluation of the Post Quarry vertebrate assemblage from the Cooper Canyon Formation (Dockum Group, Upper Triassic) of southern Garza County, western Texas". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 103 (3–4): 339–364. doi:10.1017/S1755691013000376. S2CID129744424.