Stygimoloch

Stygimoloch

 

Information

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.

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Fact file

  • Pronounced: stij-i-mol-ok
  • Meaning of name: Styx demon
  • Length: 3m
  • Diet: herbivorous
  • When it lived: Late Cretaceous (67 – 65 million years ago)
  • Found in: USA

Taxonomic details

  • Taxonomy: Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Pachycephalosauria, Goyocephala, Homalocephaloidea, Pachycephalosauridae, Stygimoloch
  • Named by: Galton and Sues (1983)
  • Type species: spinifer