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pone.0069235.g003

Cladogram of sauropodomorphs showing the optimization of key features related to elevated tooth replacement rates.The light gray field indicates taxa that have at least three replacement teeth at each tooth position; dark gray field encapsulates taxa that have narrow tooth crowns. Silhouettes along the top of the cladogram show the number and size of replacement teeth in one tooth position. These include (from left to right): Patagosaurus (MPEF-PV 1670), Mamenchisaurus[47], Diplodocus (this study), Nigersaurus [Sereno, Wilson, Witmer, Whitlock, Maga, Ide and Rowe, unpublished data], Camarasaurus (this study), and the R?o Negro titanosaur (MPCA-79) [48]. Number of replacement teeth is unknown in Brachiosauridae, but the taxon is optimized to have had at least three. Cladogram based on [30] with the addition of Tazoudasaurus[49] and Bonitasaura[50]. [planned for column width].

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Uploaded on May 12, 2014
Taken on May 12, 2014