Marginocephalia
unranked clade · Sereno 1986 · accepted · extinct
274 descendant taxa · 1,318 fossil sites · 136 formations · 22 countries
Lived when
Jurassic – Paleogene
161.5–66 million years ago
Found where
22 countries
136 rock formations
Fossil record
1,318 sites
172 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).