Linked from
The 21 pages that link to Common descent, each with the reason it gives.
CladisticsNarrower topic: Cladistic relationships are hypotheses about patterns of common ancestry.
HomologyRelated: Homologous traits are evidence that the lineages carrying them share ancestry.
CladeRelated: Shared descent is the ancestry that unites every member of a clade.
VestigialityRelated: Similar reduced structures can preserve evidence of shared ancestry.