Friis has come to believe, however, that the disappearance of the dinosaurs was not even the most interesting development of the Cretaceous period.

Source: https://www.newyorker.com/science/elements/the-fossil-flowers-that-rewrote-the-history-of-life

The elasmosaur is a large marine reptile that lived along the coast of B.C. This prehistoric animal dates back to the Cretaceous period, approximately 80 million years ago.

Source: https://www.e-know.ca/regions/east-kootenay/meet-b-c-s-new-official-fossil-emblem/

The Thalattosuchian group lived until the Early Cretaceous period, about 130 million years ago.

Source: https://tbrnewsmedia.com/sbus-eric-wilberg-studies-first-of-its-kind-ancient-crocodile-ancestor/