Trinacromerum
In Depth Although not as well-known as its more famous relative Dolichorhynchops, Trinacromerum remains one of the best represented polycotylid plesiosaurs in the fossil record. Like its relatives, Trinacromerum was a plesiosaur but one with a much shorter neck and elongated jaws filled with thin needle like teeth. Living in the Western Interior Seaway of … Read more