D'Emic, M. D. 2012 The early evolution of titanosauriform sauropod dinosaurs Zoological Journal of the Linnean Society 166 624-671 Shunosaurus Omeisaurus Jobaria Atlasaurus Diplodocoidea Camarasaurus Tehuelchesaurus Europasaurus Giraffatitan Brachiosaurus Abydosaurus Cedarosaurus Venenosaurus Ligabuesaurus Sauroposeidon Tastavinsaurus Qiaowanlong Erketu Euhelopus Daxiatitan Tangvayosaurus Phuwiangosaurus Chubutisaurus Andesaurus Malawisaurus Opisthocoelicaudia Alamosaurus Saltasaurini Osteology Maximum Parsimony Based on reanalysis of the original matrix. DEmic_2012a