Biostratigraphy of the <i>Dinodontosaurus</i> and <i>Santacruzodon</i> AZs. MartinelliAgustín G. F. KammererChristian MeloTomaz P. NetoVoltaire D. Paes RibeiroAna Maria Da-RosaÁtila A. S. L. SchultzCesar Bento SoaresMarina 2017 <p>Tetrapod fossil comparisons and shared taxa with the Chañares Formation of western Argentina. The ages of the column follow Gradstein et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0177948#pone.0177948.ref036" target="_blank">36</a>]. The radiometric dating of 236.1, 231.4 and 225.9 Ma on the Ischigualasto-Villa Unión Basin column correspond to the first half of the Chañares Formation [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0177948#pone.0177948.ref045" target="_blank">45</a>], the base of the Ischigualasto Formation, and the base of Los Colorados Formation [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0177948#pone.0177948.ref105" target="_blank">105</a>], respectively, and the one in the <i>Santacruzodon</i> AZ follows Philipp et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0177948#pone.0177948.ref043" target="_blank">43</a>].</p>