Alvarezsauria
infraorder · Bonaparte 1991 · accepted · extinct
64 descendant taxa · 53 fossil sites · 20 formations · 7 countries
Lived when
Jurassic – Paleogene
165.3–66 million years ago
Found where
7 countries
20 rock formations
Fossil record
53 sites
37 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).