Chasmosaurinae
subfamily · Lambe 1915 · accepted · extinct
49 descendant taxa · 310 fossil sites · 30 formations · 3 countries
Lived when
Cretaceous – Paleogene
83.6–66 million years ago
Found where
3 countries
30 rock formations
Fossil record
310 sites
42 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).