Chapter 7: Formation and Treatment of Names


Article 29. Family-group names.

29.1. Formation of family-group names. A family-group name is formed by adding to the stem of the name [Art. 29.3] of the type genus, or to the entire name of the type genus [see Article 29.6], a suffix as specified in Article 29.2.

29.2. Suffixes for family-group names. The suffix -OIDEA is used for a superfamily name, -IDAE for a family name, -INAE for a subfamily name, -INI for the name of a tribe, and -INA for the name of a subtribe. These suffixes must not be used at other family-group ranks. The suffixes of names for taxa at other ranks in the family-group are not regulated.

29.3. Determination of stem in names of type genera. The stem of a family-group name is based on the name of its type genus [Art. 63] and determined as follows.

29.4. Acceptance of originally formed stem. If after 1999 a new family-group name is based on a generic name which is or ends in a Greek or Latin word or ends in a Greek or Latin suffix, but its derivation does not follow the grammatical procedures of Articles 29.3.1 or 29.3.2, its original spelling must be maintained as the correct original spelling, provided

29.5. Maintenance of current spellings. If a spelling of a family-group name was not formed in accordance with Article 29.3 but is in prevailing usage, that spelling is to be maintained, whether or not it is the original spelling and whether or not its derivation from the name of the type genus is in accordance with the grammatical procedures in Articles 29.3.1 and 29.3.2.

29.6. Avoidance of homonymy in family-group names. An author wishing to establish a new family-group name must avoid its homonymy with any known previously established names by forming an appropriate stem from the name of the type genus. (See Article 55.3.1 for the elimination of homonymy between existing family-group names).

Recommendation 29A. Use of entire generic name as the stem as the preferred means of avoiding homonymy between family-group names. As a means of avoiding homonymy between a new family-group name and a previously established one, due to the respective type genera having identical stems (as determined by Article 29.3), an author is advised to use the entire name of the type genus of the new family-group taxon as the stem.

Example. An author proposing a new family name based on a type genus Mirum can avoid its homonymy with MIRIDAE Hahn, 1833 (Heteroptera, type genus Miris Fabricius, 1794) by taking the stem to be Mirum-, and hence forming the name MIRUMIDAE. (The Commission followed an analogous course in Opinion 898 (1970) when ruling that the stem of Mira Schellenberg, 1803 (Hymenoptera) is Mira-, thereby emending the spelling of the family-group name MIRINI Ashmead, 1900 to MIRAINI and so removing homonymy with MIRIDAE Hahn).


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