Proximal caudal vertebrae in lateral view. A, Camarasaurus lewisi (redrawn from McIntosh et al., 1996).B, Brachiosaurus brancai (redrawn from Janensch, 1950). C, Cedarosaurus weiskopfae (redrawn from Tidwell et al., 1999). D, Phuwiangosaurus sirindhornae (redrawn from Martin et al., 1999). E, Malarguesaurus florenciae gen. et sp. nov. (this paper).F, Mendozasaurus neguyelap (after from González Riga, 2003). G, Aeolosaurus sp. (redrawn from Salgado and Coria, 1993). H, Pellegrinisaurus powelli (redrawn from Salgado, 1996). I, Neuquensaurus australis (redrawn from Salgado et al., 2005). Scale bar: 10 cm.
