Genus is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the
Estimated accepted genus totals by kingdom – based on Rees et al., 2020
A type species is the species considered to be permanently taxonomically associated with the name of a genus or subgenus, and that is used to identify it and distinguish it from others. In modern time
Columba oenas, the stock dove, is the type species of the genus Columba.