Lycoptera
Lythronax: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~80 MYA) · North America — USA (Utah, Wahweap Formation) Research Note: Lythronax was a tyrannosaurid from the Late Cretaceous of Utah — the oldest known tyrannosaurid from southern Laramidia and an important taxon for understanding tyrannosaur evolution. Research Finding Status Grade Year Method Citation … Read more