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clade · 2 represented species

Pachycephalosauria

Pachycephalosauria is included in this curated classification as a clade within Marginocephalia. Its displayed membership follows the simplified relationships used by this dataset.

Explore this branch Parent: Marginocephalia

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Pachycephalosauria

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Representative silhouette for Pachycephalosauria
2Direct child groups
2Countries represented
110–66 MaDataset range

Branch structure

Direct branches in this dataset

family

Pachycephalosauridae

Open branch genus

Zavacephale

Open branch

Representative taxa

Dinosaurs in this branch

Side-view life reconstruction of Pachycephalosaurus wyomingensis by Fred WierumArt by Fred Wierum · CC BY 4.0

Cretaceous

Pachycephalosaurus wyomingensis

The largest well-known dome-headed dinosaur, from the latest Cretaceous of the western United States. Adult skulls carry a massive rounded dome and a fringe of blunt nodes, but much of the body remains reconstructed from incomplete skeletons and close relatives.

herbivore~4.5 m
Life reconstruction of Zavacephale rinpocheArt by Connor Ashbridge · CC BY 4.0

Cretaceous

Zavacephale rinpoche

The oldest definitive and most complete known pachycephalosaur, a sheepdog-sized Mongolian herbivore whose dome developed before its body finished growing.

herbivore~0.95 m

Distribution

Geographic record

United States · Mongolia

Country-level summary of represented seed records, not a complete range map.

Sources

Further reading

Introduction to the DinosauriaDinosaur Paleobiology