Pachycephalosauridae
family · Sternberg 1945 · accepted · extinct
28 descendant taxa · 79 fossil sites · 22 formations · 5 countries
Lived when
Cretaceous – Paleogene
100.5–66 million years ago
Found where
5 countries
22 rock formations
Fossil record
79 sites
2 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).