LepsGlossary (D)

Of a work (and of a contained name and nomenclatural act): the date on which copies of the work become available by purchase or free distribution. If the actual date is not known, the date to be adopted is regulated by the provisions of Article 21.2-7 (ICodeZN).

A minor amendment to the Code for immediate incorporation, published in the Bulletin of Zoological Nomenclature, to remain in force until ratified or rejected by future International Zoological Congresses.

To consider or rule something to be what it may or may not be.

A statement in words that purports to give those characters which, in combination, uniquely distinguish a taxon [Articles 12 and 13 (ICodeZN)].

see Nomen negatum.

A more or less complete statement of the observed characters of a taxon, without any special emphasis on those which distinguish it from other closely related taxa. See also: Definition, Diagnosis, Original description, Redescription.

The nomenclatural act of an author or the Commission in fixing, by an express statement, the name-bearing type of a newly or previously established nominal genus, subgenus, species, or subspecies. See also: Original designation, Subsequent designation.

Article 27 (ICodeZN) rules that diacritic marks, apostrophes or diaereses are not to be used in a taxonomic name and are to be deleted from such names originally published with them. [See Article 32.5.2 (ICodeZN)]. The German umlaut sign deleted from a vowel should be replaced by ‘e’ inserted after the vowel, but only for taxonomic names based on German words and published before 1985.

A statement in words that purports to give those characters which differentiate the taxon from other taxa with which it is likely to be confused.

The characters, or most important characters, which distinguish a taxon from other similar or closely related taxa. See also: Diagnosis.

see Diagnosis.

A term now abandoned; under previous editions of the Code, a statement published by the Commission, giving the result of a vote completing or correcting a ruling given in an Opinion. Directions have been replaced by Official Corrections.

A statement in a work, by an author, editor or publisher, that (1) — the entire work or (2) — all or specified names and nomenclatural acts in it are to be excluded for purposes of zoological nomenclature.

(1) — A rank that if treated as a division of a genus or subgenus is deemed to be of subgeneric rank for the purposes of nomenclature; (2) — A taxon at the rank of division.

see Nomen dubium.

see Nomen dubium.