Riojasauridae
unranked clade · Yates 2007 · accepted · extinct
5 descendant taxa · 6 fossil sites · 2 formations · 2 countries
Lived when
Triassic – Jurassic
227.3–201.4 million years ago
Found where
2 countries
2 rock formations
Fossil record
6 sites
0 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 26 million years, from 227.3 to 201.4 million years ago.
- The youngest known fossil is around 201.4 million years old — that is roughly 671 times further back than the whole of human history.
- Riojasauridae was named in 2007 (Yates 2007) — 19 years ago.
- Fossils have been recorded in 2 countries and 2 named rock formations.
- This group contains 5 named taxa, including 3 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).