Ammosaurus
genus · Marsh 1891 · accepted · extinct
3 fossil sites · 1 formations · 1 countries
Lived when
Jurassic
201.4–199.5 million years ago
Found where
1 country
1 rock formations
Fossil record
3 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 2 million years, from 201.4 to 199.5 million years ago.
- The youngest known fossil is around 199.5 million years old — that is roughly 665 times further back than the whole of human history.
- Ammosaurus was named in 1891 (Marsh 1891) — 135 years ago.
- Fossils have been recorded in 1 country and 1 named rock formations.
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Where next
Data from the Paleobiology Database (CC BY 4.0).