The australopithecine specimen known as 'Lucy' is approximately 3 million years old.
Notes on verification
Multiple authoritative, independent sources (IHO, Smithsonian, Britannica, NHM) consistently confirm Lucy's age at ~3.18 million years, based on argon-argon radiometric dating.
Sources
- New species of ancient human discovered in the Philippines (nationalgeographic.com)
- https://www.nhm.ac.uk/discover/australopithecus-afarensis-lucy-species.html (nhm.ac.uk)
- https://iho.asu.edu/aboutLucy (iho.asu.edu)
- https://humanorigins.si.edu/evidence/dating (humanorigins.si.edu)
- https://www.smithsonianmag.com/smart-news/lucy-australopithecus-turns-41-180957384/ (smithsonianmag.com)