Mamenchisaurus
genus · Young 1954 · accepted · extinct
8 descendant taxa · 24 fossil sites · 9 formations · 3 countries
Lived when
Jurassic – Cretaceous
168.2–113.2 million years ago
Found where
3 countries
9 rock formations
Fossil record
24 sites
10 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 55 million years, from 168.2 to 113.2 million years ago.
- The youngest known fossil is around 113.2 million years old — that is roughly 377 times further back than the whole of human history.
- Mamenchisaurus was named in 1954 (Young 1954) — 72 years ago.
- Fossils have been recorded in 3 countries and 9 named rock formations.
- 10 individual specimens are catalogued in museum collections.
- This group contains 8 named taxa, including 8 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).