Gravisauria
unranked clade · Allain and Aquesbi 2008 · accepted · extinct
704 descendant taxa · 2,062 fossil sites · 344 formations · 62 countries
Lived when
Triassic – Paleogene
205.7–66 million years ago
Found where
62 countries
344 rock formations
Fossil record
2,062 sites
470 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 140 million years, from 205.7 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.
- Gravisauria was named in 2008 (Allain and Aquesbi 2008) — 18 years ago.
- Fossils have been recorded in 62 countries and 344 named rock formations.
- 470 individual specimens are catalogued in museum collections.
- This group contains 704 named taxa, including 328 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).