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454 / Mesozoic
Dreadnoughtus
Dreadnoughtus schrani
A relatively complete skeleton makes this giant titanosaur unusually measurable.
- Time range
- About 77 million years ago
- Final stage
- Late Cretaceous
- Geographic range
- Floodplain woodland · Patagonia, Argentina
01 / DEFINITION & ECOLOGY
What was Dreadnoughtus?
Dreadnoughtus (Dreadnoughtus schrani) was an extinct organism known from About 77 million years ago, with a range in Floodplain woodland · Patagonia, Argentina.
Life and ecology
Its long neck harvested broad vegetation while columnar limbs supported a body of many tonnes.
02 / DISAPPEARANCE
Why did Dreadnoughtus disappear?
South American giant-sauropod turnover ended the genus.
03 / EVIDENCE
How do scientists know about Dreadnoughtus?
More than a hundred associated bones preserve trunk, tail and limbs; the head follows relatives.
04 / SOURCES & FURTHER READING
Check the source record
Use the scientific name to compare taxonomy, occurrence records and the fossil record. Database coverage and classifications may differ.
05 / REVISION HISTORY
How has this record changed?
- Verified authoritative entity sources and added three responsive reconstruction sizes.
- Initial bilingual species record published.
06 / CORRECTIONS & ADDITIONS