Wedel & Taylor (2013) Nexus file based on Taylor (2009) matrix

The Nexus file from Wedel and Taylor (2013), based on the character-taxon matrix from Taylor (2009), with constraints applied to test the position of Haplocanthosaurus and Suuwassea. REFERENCES Taylor, M.P. 2009. A re-evaluation of Brachiosaurus altithorax Riggs 1903 (Dinosauria, Sauropoda) and its generic separation from Giraffatitan brancai (Janensch 1914). Journal of Vertebrate Paleontology 29(3): 787-806. Wedel, M.J., and Taylor, M.P. 2013. Neural spine bifurcation in sauropod dinosaurs of the Morrison Formation: ontogenetic and phylogenetic implications. PalArch's Journal of Vertebrate Palaeontology.