Titanosaurs were the most speciose and widespread group of sauropod dinosaurs, the largest terrestrial animals in Earth history. They reached their peak diversity in the Late Cretaceous after all other sauropod groups vanished, but their early evolution is poorly understood due to a scarcity of well-preserved titanosaur fossils from before the Late Cretaceous, especially outside of South America. In this study, the authors describe a newly-discovered middle Cretaceous titanosaur from southern Africa. The researchers named the new dinosaur Mnyamawamtuka moyowamkia. It is known from a single specimen excavated from a quarry along the Mtuka River in southwest Tanzania. It is...