Isisaurus
genus · Wilson and Upchurch 2003 · accepted · extinct
1 descendant taxa · 7 fossil sites · 2 formations · 2 countries
Lived when
Cretaceous – Paleogene
72.2–66 million years ago
Found where
2 countries
2 rock formations
Fossil record
7 sites
8 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 6 million years, from 72.2 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.
- Isisaurus was named in 2003 (Wilson and Upchurch 2003) — 23 years ago.
- Fossils have been recorded in 2 countries and 2 named rock formations.
- 8 individual specimens are catalogued in museum collections.
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Where next
Data from the Paleobiology Database (CC BY 4.0).