The earliest known titanosauriform sauropod dinosaur and the evolution of Brachiosauridae by Philip D. Mannion, Ronan Allain, Olivier Moine

“…Brachiosauridae consists of a paraphyletic array of Late Jurassic forms, with Europasaurus, Vouivria and Brachiosaurus recovered as successively more nested genera that lie outside of a clade comprising (Giraffatitan + Sonorasaurus) + (Lusotitan + (Cedarosaurus + Venenosaurus)). Abydosaurus forms an unresolved polytomy with the latter five taxa. …”
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