Ankylopollexia
unranked clade · (Sereno 1986) · accepted · extinct
342 descendant taxa · 2,331 fossil sites · 336 formations · 45 countries
Lived when
Jurassic – Paleogene
201.4–61.66 million years ago
Found where
45 countries
336 rock formations
Fossil record
2,331 sites
232 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).