Tenontosaurus
genus · Ostrom 1970 · accepted · extinct
2 descendant taxa · 83 fossil sites · 8 formations · 1 countries
Lived when
Cretaceous
121.4–93.9 million years ago
Found where
1 country
8 rock formations
Fossil record
83 sites
13 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 28 million years, from 121.4 to 93.9 million years ago.
- The youngest known fossil is around 93.9 million years old — that is roughly 313 times further back than the whole of human history.
- Tenontosaurus was named in 1970 (Ostrom 1970) — 56 years ago.
- Fossils have been recorded in 1 country and 8 named rock formations.
- 13 individual specimens are catalogued in museum collections.
- This group contains 2 named taxa, including 2 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).