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Siberian Mammoth
- Age (10k years ago)
- 120
- Sequencing Basis
- Ancient DNA from permafrost
This list compiles the oldest organisms identified through paleogenomics and modern genetic sequencing. These specimens, dated using molecular clock calibration and ancient DNA analysis, provide a profound insight into the evolutionary history of life on Earth, ranked by their confirmed chronological age.
| Rank | Organism Name | Age (10k years ago) | Sequencing Basis |
|---|---|---|---|
| 1 | Siberian Mammoth | 120 | Ancient DNA from permafrost |
| 2 | Neanderthal | 43 | Ancient DNA from cave fossils |
| 3 | Denisovan | 16 | Finger bone fragment sequencing |
| 4 | Late Pleistocene Wolf | 3.5 | Intact frozen soft tissue |
| 5 | Arctic Horse | 70 | Ancient DNA from deep sediment |
| 6 | Woolly Rhinoceros | 3 | Frozen muscle tissue sequencing |
| 7 | Cave Lion | 2.8 | Soft tissue DNA extraction |
| 8 | Steppe Bison | 1.2 | Frozen fossil samples |
| 9 | Ancient Sequoia (eDNA) | 200 | Environmental DNA sequencing |
| 10 | Early Homo sapiens (Africa) | 30 | Tooth fossil DNA analysis |
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