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'Circumscriptional names' are taxon names used above family-group level (e. g. order or class) that are not ruled by ICZN and are defined by the particular set of members included, not the number of species.
Non-typified names other than those of the genus- or species-group constitute the majority of generally accepted names of taxa higher than superfamily. The ICZN regulates names of taxa up to family group rank (i. e. superfamily). There are no generally accepted rules of naming higher taxa (orders, classes, phyla, etc.). Under the approach of circumscription-based (circumscriptional) nomenclatures, a circumscriptional name is associated with a certain circumscription of a taxon without regard of its rank or position.
Some authors advocate introducing a mandatory standardized typified nomenclature of higher taxa. They suggest all names of higher taxa to be derived in the same manner as family-group names, i.e. by modifying names of type genera with endings to reflect the rank. There is no consensus on what such higher rank endings should be. A number of established practices exist as to the use of typified names of higher taxa, depending on animal group.

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External link

Reference

Kluge, N. 2000. "Sovremennaya Sistematika Nasekomyh ..." [Modern Systematics of Insects. Part I. Principles of Systematics of Living Organisms and General System of Insects, with Classification of Primary Wingless and Paleopterous Insects] - S.-Petersburg, Lan', 2000, 333 pp.; (c) N.Ju. Kluge, 2000; (c) "Lan'", 2000.

External link

★ Kluge's PRINCIPLES OF NOMENCLATURE of ZOOLOGICAL TAXA