Principle of Typification

In biological nomenclature, the Principle of Typification is one of the guiding principles.^[1]

In the International Code of Zoological Nomenclature, it states that any named taxon, in the family group, genus group or species group, has (or should have) a name-bearing type which allows the application of the name of the taxon to be objectively applied. The type does not define the taxon; this is done by a taxonomist, and an indefinite number of competing definitions can exist, side by side. Rather, a type is a point of reference; a name has a type, and a taxonomist (having defined his taxon) can inventory which existing types fall within the scope of his taxon. He or she can then use the rules in the Code to determine the valid name for the taxon.

References

^ McNeill, J.; Barrie, F.R.; Buck, W.R.; Demoulin, V.; Greuter, W.; Hawksworth, D.L.; Herendeen, P.S.; Knapp, S.; Marhold, K.; Prado, J.; Prud'homme Van Reine, W.F.; Smith, G.F.; Wiersema, J.H.; Turland, N.J. (2012). International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011. Regnum Vegetabile 154. A.R.G. Gantner Verlag KG. Division I:Principles, and Division II:Chapter II

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Principle of Typification