Everything about Circumscriptional Name totally explained
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, for example 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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