Science2010 (discovery); prehistoric subject matter (Late Pleistocene)Siberia, Russia (Denisova Cave)high confidence

In 2010, scientists identified Denisovans, an archaic human lineage that went extinct around the same time as Neanderthals, using mitochondrial DNA extracted from a finger bone.

Notes on verification

Confirmed by original Nature (Krause et al. 2010) and Science (Reich et al. 2010) papers, plus corroborating science journalism. Well-established finding in paleogenetics. [tier=gold indep_score=0.983 clusters=3 claim_tier=notable]

Sources