References / paperA comprehensive phylogeny of extant horses, rhinos and tapirs (Perissodactyla) through data combination
Price, S.A.; Bininda-Emonds, O.R.P.
Year2009
Source roleprimary-study
DOI / ID10.1002/zoos.200900005
Fitness and scope
taxonomy · topology · methods
Primary supertree and supermatrix analyses of all extant perissodactyl species recognized by the authors; patchy loci and extinct diversity limit its scope.
Claim ledger
topology · mediumThe sampled living Equidae form one family-level branch in both combined-data perissodactyl analyses, while relationships among extant equids remain poorly agreed across trees; no fossil range or exact family origin follows from this result.
claim:taxon:equidae:extant-topologytopology · mediumCombined supertree and supermatrix analyses of the extant perissodactyl sample recover Equidae—the living component labelled Hippomorpha—as sister to sampled Ceratomorpha; this extant topology neither resolves every fossil hippomorph nor dates the total group’s origin.
claim:taxon:hippomorpha:extant-topologytopology · mediumThe ceratomorph character analysis includes Rhinocerotidae within the sampled “true rhinocerotoid” branch, while the living-species data combination independently treats the family as one extant ceratomorph lineage; neither analysis supplies a complete fossil family range.
claim:taxon:rhinocerotidae:topology