Stable isotope composition of crocodilian teeth provides new information on climatic change in the East-African Rift along the Plio-Pleistocene period (Shungura …

A Gardin, E Pucéat, G Garcia, JR Boisserie, O Otero – 2021

… We sampled crocodilian teeth from the Shungura Formation (Lower Omo Valley, Ethiopia), which spans major steps of human evolution between 3.6 Ma and ~1.0 Ma, tentatively correlated with major environmental changes …