Dolichorhynchops: The Champion Of The Western Interior Seaway is a video about the fascinating Polycotylid Plesiosaur from the Western Interior Seaway in what is now the American mid-west. We hope you enjoy this video!

Narrator: Spinodragon145

Release Date: April 2nd, 2022

Runtime: 18:10

Fun Facts: Despite 4 different species appearing in this video we now know that only two of them are valid. This is because of a recent discover made long after this video's production that reclassified two species presented as their own unique genera of Polycotylid!