Stygimoloch

Stygimoloch is a controversial genus of pachycephalosaurid dinosaur from the end of the Cretaceous period, roughly 66 million years ago. It is currently known from the Hell Creek Formation, Ferris Formation, and Lance Formation of the Western Interior (United States), where it lived alongside Tyrannosaurus and Triceratops.
Category:Dinosaurs
Category:Animals
Category:Creatures
Category:Reptiles
Category:Late cretaceous dinosaurs of north america
Category:Fossil taxa described in 1983
Category:Pachycephalosaurs
Category:Lance fauna
Category:Hell creek fauna
Category:Maastrichtian genus first appearances
Category:Maastrichtian genus extinctions