👉 Pliosaurians were a group of sauropods that lived during the Late Cretaceous period, approximately 69 to 71 million years ago. They were known for their large size and distinctive features, including a long neck, a short tail, and a distinct jawline. Pliosaurians are thought to have been herbivores, with some species having teeth adapted for cutting vegetation or digging burrows. They also had a strong sense of smell and were able to communicate