Stygimoloch

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Stygimoloch
Temporal range: Late Maastrichtian, 66 Ma
Berlin Naturkundemuseum Dino Schaedel.jpg
Reconstructed skull at the Museum für Naturkunde, Berlin
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Family: Pachycephalosauridae
Genus: Stygimoloch
Galton & Sues, 1983
Species: S. spinifer
Binomial name
Stygimoloch spinifer
Galton & Sues, 1983
Synonyms

Stygimoloch was a plant-eating dinosaur that had bony spikes and knobs on its skull. This bipedal dinosaur lived during the late Cretaceous period, about 68 million to 65 million years ago.

Stygimoloch are ornithischian dinosaurs that had thick, domed, spiked skulls. Pachycephalosaurs probably engaged in head-butting both as a defense and in intra-species rivalry.