Amphicoelias
genus · Cope 1877 · accepted · extinct
2 descendant taxa · 3 fossil sites · 2 formations · 2 countries
Lived when
Jurassic – Cretaceous
157.9–143.1 million years ago
Found where
2 countries
2 rock formations
Fossil record
3 sites
9 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 15 million years, from 157.9 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.
- Amphicoelias was named in 1877 (Cope 1877) — 149 years ago.
- Fossils have been recorded in 2 countries and 2 named rock formations.
- 9 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).