Macronaria
unranked clade · Sereno 1997 · accepted · extinct
448 descendant taxa · 1,358 fossil sites · 277 formations · 56 countries
Lived when
Jurassic – Paleogene
201.4–66 million years ago
Found where
56 countries
277 rock formations
Fossil record
1,358 sites
270 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 135 million years, from 201.4 to 66 million years ago.
- The youngest known fossil is around 66 million years old — that is roughly 220 times further back than the whole of human history.
- Macronaria was named in 1997 (Sereno 1997) — 29 years ago.
- Fossils have been recorded in 56 countries and 277 named rock formations.
- 270 individual specimens are catalogued in museum collections.
- This group contains 448 named taxa, including 202 species.
Keep going
Where next
Data from the Paleobiology Database (CC BY 4.0).