 Interlayered volcanic ash layers above the base and below the top of the formation provide chronostratigraphic control and have yielded ages of 231.4 ± 0.3 Ma and 225.9 ± 0.9 Ma respectively.Animals that lived alongside included numerous non-dinosaurian tetrapods, as well as basal dinosauromorphs.Notable paleofauna that were contemporaneous with "Saurosuchus" in the Cancha de Bochas Member include