Linked from
The 19 pages that link to Taxonomic rank, each with the reason it gives.
TaxonomyRelated: Ranks arrange named groups into a hierarchy from species to broader groupings.
Fungal taxonomyRelated: Ranks provide the nested structure used to organize fungal groups.
Bird taxonomyRelated: Bird taxa occupy these nested levels, from species to class.
Species conceptRelated: Species concepts determine how groups are assigned to the species rank.
Biological classificationRelated: Ranks arrange groups into nested levels, from species upward.
Incertae sedisRelated: Uncertainty can concern a taxon's position at a particular rank.