Pachycephalosauria
suborder · (Maryańska and Osmólska 1974) · accepted · extinct
51 descendant taxa · 176 fossil sites · 29 formations · 5 countries
Lived when
Cretaceous – Paleogene
119.57–66 million years ago
Found where
5 countries
29 rock formations
Fossil record
176 sites
18 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Keep going
Where next
Data from the Paleobiology Database (CC BY 4.0).