Ursidae is recovered as one living family branch in the extant-carnivoran supertree, but family crown dates and relationships are estimates assembled from gene trees and calibrations; extinct stem bears are not comprehensively sampled. This navigation entry is not a phylogeny or a complete taxon dossier.
Represented rangeRange unavailable
Content packagecarnivora
PBDBtxn:41301
Evidence boundary
Automated checks cover structure, identifiers, translations and links only; maintainer and external expert review are not complete.
Claim ledger
topology · medium
Ursidae is recovered as one living family branch in the extant-carnivoran supertree, but family crown dates and relationships are estimates assembled from gene trees and calibrations; extinct stem bears are not comprehensively sampled.
claim:taxon:ursidae:sampled-topology
Known limits
A missing branch or fossil occurrence does not imply biological absence. Internal nodes are not calibrated divergence estimates.