Notes on verification

Directly confirmed by the original Détroit et al. 2019 Nature species description, which explicitly reports the three-rooted premolar as rare (1-3%) in modern humans; corroborated by secondary science media coverage of the trait's rarity. [tier=silver indep_score=0.875 clusters=4 claim_tier=notable | framework convergence=single on Détroit et al. 2019 species description in Nature (primary source for both the specimen and the percentage) (upstreams: Détroit et al. 2019 Nature paper describing Homo luzonensis, references 13 and 14 cited within that paper for the 1-3% modern human frequency of three-rooted premolars) — publishers independent, evidence may not be | kind=empirical eligibility=high]