TheropodaProsauropodaVulcanodon_caribaensisBarapasaurus_tagoreiDiplodocidaeCamarasauridaeBrachiosaurus_brancaiChubutisaurus_insignisAndesaurus_delgadoiEpachtosaurus_sciuttoiMalawisaurus_dixeyiGondwanatitan_faustoiArgentinosaurus_huinculensisOpisthocoelicaudia_skarznskiiTitanosaurinae_indetAeoloasurusAlamosaurus_sanjuanensisNeuquensaurus_australisSaltasaurus_loricattusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Kellner_et_de_Azevedo_1999a