Allosaurus fragilis
species · (Marsh 1877) · accepted · extinct
29 fossil sites · 1 formations · 1 countries
Lived when
Jurassic – Cretaceous
154.8–143.1 million years ago
Found where
1 country
1 rock formations
Fossil record
29 sites
29 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 12 million years, from 154.8 to 143.1 million years ago.
- The youngest known fossil is around 143.1 million years old — that is roughly 477 times further back than the whole of human history.
- Allosaurus fragilis was named in 1877 ((Marsh 1877)) — 149 years ago.
- Fossils have been recorded in 1 country and 1 named rock formations.
- 29 individual specimens are catalogued in museum collections.
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Where next
Data from the Paleobiology Database (CC BY 4.0).