Figure 10
From: First terror bird footprints reveal functionally didactyl posture
Stratigraphic distribution of Miocene Phorusrhacidae and R. pozosaladensis igen et isp. nov. Silhouettes after Ref.15 and time scale after https://stratigraphy.org/chart. Relative sizes of silhouettes using estimations of body mass summarised in Supplementary Material Table S6. The red dashed line represents the age of the dated tuff level from the study locality.
