References / paperResolution of the early placental mammal radiation using Bayesian phylogenetics
Murphy, W.J. et al.
Year2001
Source roleprimary-study
DOI / ID10.1126/science.1067179
Fitness and scope
topology · range · biogeography
Primary 16,397-base-pair Bayesian and maximum-likelihood analysis; topology, dating and biogeographic explanation are model-conditioned.
Claim ledger
fossil-range · contestedThe 100–0 Ma Placentalia route is a model envelope: a molecular analysis estimated a roughly 103 Ma deep placental split, whereas the phenomic combined analysis placed sampled crown diversification after K–Pg; neither model is a fossil FAD or ancestor observation.
claim:taxon:placentalia:root-range