Hadrosaurus
genus · Leidy 1858 · accepted · extinct
1 descendant taxa · 9 fossil sites · 7 formations · 3 countries
Lived when
Cretaceous – Paleogene
85.7–66 million years ago
Found where
3 countries
7 rock formations
Fossil record
9 sites
1 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 20 million years, from 85.7 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.
- Hadrosaurus was named in 1858 (Leidy 1858) — 168 years ago.
- Fossils have been recorded in 3 countries and 7 named rock formations.
- 1 individual specimens are catalogued in museum collections.
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Where next
Data from the Paleobiology Database (CC BY 4.0).