👉 Pareiasaurus is a genus of dinosaur that lived during the Late Cretaceous period, around 68 to 57 million years ago. It was part of the Late Triassic, which was a major geological period in the history of the Earth. The specific name "pareiasaurus" comes from the Greek words "paria" (meaning "pair") and "saurus" (meaning "sternate"). This name refers to the fact that pareiasauruses were