†unranked clade Diplodocimorpha Calvo and Salgado 1995 (sauropod)
Full reference: J. O. Calvo and L. Salgado. 1995. Rebbachisaurus tessonei sp. nov. a new Sauropoda from the Albian-Cenomanian of Argentina; new evidence on the origin of the Diplodocidae. GAIA 11:13-33
Parent taxon: Diplodocoidea according to S. Apesteguía 2007
Sister taxa: Amphicoelias, Flagellicaudata, Haplocanthosaurus, Rebbachisauridae
Subtaxa: Rebbachisauroidea
Ecology: ground dwelling herbivore