For ease of reference, two sub-indices have been included under the headings; Definitions and Terminations.
| 1 January 200n | Pre.2-3, 7.2-3, 8.1, 16.N.1, 18.1, 19.1, 28.3, 28.N.1, 29.2, 37.2-4, 38.2-3, Div.III.3 | |
| Acceptable names(s), choice between | 19.5 | |
| -- definition | 7.3 | |
| -- previously published | 14.3 | |
| -- typification | 14.3 | |
| Accepted name, definition | 7.4, 19.4 | |
| Adopted list | 21.2 | |
| -- modification to | 21.4 | |
| Alternative names | 13.3 | |
| Anamorph, definition | 36.3 | |
| Apostrophe | 37.5 | |
| Ascription, definition | 40.4 | |
| -- of author | 40.4 | |
| Author, attributed to registrant | 40.7 | |
| -- citation of | 40.1 | |
| -- cited in parentheses | 41.1 | |
| -- of basionym | 41.1 | |
| -- not apparent | 40.7 | |
| Author citation, internal evidence | 40.6 | |
| Author citation, use of "ex" | 40.5, 40.N.1 | |
| Author citation, use of "in" | 40.3 | |
| Available name, see Established name | ||
| Avowed substitute, see Replacement name | ||
| Bacteriological Code, see International Code of Nomenclature of Bacteria | ||
| Basionym, author of | 41.1 | |
| -- replacement name | 9.1 | |
| -- suppressed name | 23.1 | |
| Bibliographic citation | 40.3 | |
| -- use of "in" | 40.3 | |
| Bibliographic error | 40.4 | |
| Bibliographic reference | 8.2, 9.1, 9.2, 11.1, 40.1 | |
| -- complete | 9.2 | |
| Binomen, definition | 7.6 | |
| Binomina, for species | Prin.2 | |
| BioCode, ambiguity in | Div.III.4 | |
| -- authority of | Div.III.1 | |
| -- proposals for change in substance | Div.III.6 | |
| -- published under auspices of... | Div.III.5 | |
| Biology international | Div.III.6.1 | |
| Biology, requirement of | Pre.1 | |
| bona fide biologists | 10A.1 | |
| Bulletin of zoological nomenclature | Div.III.6.1 | |
| Choice, competing names | 19.6 | |
| -- of epithets and names | 19.5 | |
| -- protected names | 21.6, 21.7 | |
| Circumscription, change in | Prin.7 | |
| Citation, bibliographic | 40.3 | |
| Class, formation of name | 25.4 | |
| -- principle rank | 3.1 | |
| Coherent system of naming | Pre. 1 | |
| "comb. nov." | 8.3 | |
| Combination, definition | 7.6 | |
| Compound generic names | 39.2 | |
| Condensed formulae | 34.2 | |
| Conditional suppressed name, see Rejected name | ||
| Connecting vowels, standardizations | 37.6 | |
| Consecutive pagination | 9.2 | |
| Conservation, definition | 22.1 | |
| Conservation, overrides protection | 21.10 | |
| Conserved name(s), competing | 22.4 | |
| -- date of name | 22.11 | |
| -- gender | 22.10 | |
| -- orthography | 22.10 | |
| -- place of establishment | 22.2 | |
| -- stated type | 22.7 | |
| Coordinate name, establishment of | 19.N.1, 26.4, 29.1, 31.5 | |
| -- species group | 31.5 | |
| Correct name, see Accepted name | ||
| Cryopreservation | 15.2 | |
| Cultivar-group | 35.1 | |
| Cultivar | 35.1 | |
| Cultivated plant, definition | 35.1 | |
| Cultivated plants | Pre.5 | |
| Curatorial unit | 15.1 | |
| Date of name, conserved name | 22.11 | |
| -- definition | 13.2, 19.1 | |
| -- protected status | 21.8 | |
| Definitions: | ||
| acceptable names | 7.3 | |
| accepted name | 7.4, 19.3, 19.4 | |
| anamorph | 36.3 | |
| ascription | 40.4 | |
| author of basionym | 41.1 | |
| binomen | 7.6 | |
| combination | 7.6 | |
| conservation of names | 22.1 | |
| cultivated plants | 35.1 | |
| date of a name | 13.2, 19.1 | |
| epitype | 16.3 | |
| established names | 7.2 | |
| establishment | 8.1 | |
| family group | 4.3 | |
| final epithet | 19.4.fn | |
| genus group | 4.3 | |
| heterotypic synonym | 22.3 | |
| holomorph | 36.3 | |
| homonym | 18.1 | |
| homotypic synonym | 22.3 | |
| hybrid formula | 24.N.1 | |
| ichnotaxon | 36.7 | |
| infragenus | 28.3, 28.N.1 | |
| infra-specific rank | 4.3 | |
| lectotype | 16.2 | |
| name | 7.5 | |
| -- genus | 28.1 | |
| -- subgenus | 28.2, 28.3 | |
| -- infragenus | 28.3, 28.N.1 | |
| -- infra-subspecific taxon | 33.1 | |
| -- species | 31.1 | |
| -- subdivision of genus | 30.1 | |
| -- subspecies | 31.3 | |
| name-bearing type | 14.2 | |
| neotype | 16.1 | |
| nominal genus | 17.2 | |
| -- species | 17.1 | |
| -- taxon | 14.1 | |
| original spelling | 37.2 | |
| orthographical variant | 38.1 | |
| parataxa | 2.2, 36.2 | |
| protected name | 21.2 | |
| protologue | 9.2.fn | |
| publications | 5.1 | |
| publication date | 6.1 | |
| registration | 13.1 | |
| special Codes | Pre. 3 | |
| species group | 4.3 | |
| specimen | 15.1 | |
| subdivision of a family | 4.3 | |
| subdivision of a genus | 4.3 | |
| suppressed name | 23.1 | |
| suprafamilial ranks | 4.3 | |
| taxon (taxa) | 1.1 | |
| taxon (taxa), undefined | Prin. 1 | |
| teleomorph | 36.3 | |
| trinomen | 7.6 | |
| Derivation of scientific names | Prin. 6 | |
| Description, English | 8.3 | |
| -- Latin | 8.3 | |
| Descriptive names | 25.1, 25.N.1, 25A.1 | |
| Diagnostic characters | 15.3 | |
| Digitized text | 5.2 | |
| Domain, secondary rank | 4.1 | |
| Duplicate of specimen | 16A.1 | |
| Effective publication, see Publication | ||
| Electronic communication | 5.2 | |
| Encrypted text | 5.2 | |
| English description | 8.3 | |
| Epitype, definition | 16.3 | |
| -- designation open to challenge | 16.3 | |
| -- from living culture | 15.N.1 | |
| Erasable electronic support | 5.2 | |
| Error, bibliographic | 40.4 | |
| Established name, definition | 7.2 | |
| Establishment, co-ordinate names | 19.N.1 | |
| -- conditions for registration | 13.4 | |
| -- coordinate names | 26.4, 29.1, 31.5 | |
| -- definition | 8.1 | |
| -- English description | 8.3 | |
| -- fossil taxa | 11.1 | |
| -- Latin description | 8.3 | |
| -- subordinate taxa | 12.1 | |
| Eukaryotic organisms | Pre. 2 | |
| "ex", use of | 40.5, 40.N.1 | |
| Facsimile, not publication | 5.6 | |
| Family, formation of name | 26.1 | |
| Family-group, choice of protected names | 21.6 | |
| -- coordinate names | 26.4 | |
| -- definition | 4.3 | |
| -- formation of names | 26.1 | |
| Family, principle rank | 3.1 | |
| Films of text, not publication | 5.8 | |
| Final epithet, definition | 19.4.fn | |
| Form, secondary rank | 4.1 | |
| Formation of name(s), above superfamily | 25.1 | |
| -- family-group | 26.1 | |
| -- genus | 28.1 | |
| -- infrasubspecific names | 33.1, 33.3 | |
| -- phylum | 25.2, 25.3 | |
| -- species | 31.1 | |
| -- subdivision of genus | 30.1-30A.1 | |
| -- subdivision of family | 27.1 | |
| -- subgenus | 28.2, 28.3 | |
| -- subphylum | 25.2, 25.3 | |
| -- subspecies | 31.3 | |
| -- subtribe | 27.1 | |
| -- tribe | 27.1 | |
| Fossil organisms | Pre. 2 | |
| Fossil taxa, establishment of names | 11.1 | |
| Fossil traces of organisms | Pre. 2 | |
| Fossils, precedence in names | 19.8 | |
| Freedom of taxonomic thought | Prin. 1 | |
| Freeze-dried ampoule | 15.1 | |
| Gender conserved name | 22.10 | |
| -- establishment of | 39.1 | |
| -- generic names | 39.1 | |
| General Committee on Botanical Nomenclature (GCBN) | Div. III.2 | |
| Generic name(s), of host | 37.7 | |
| --gender | 39.1-39.4 | |
| -- without indication of gender | 39.4 | |
| -- name-bearing type | 14.1 | |
| Genus, formation of name | 28.1 | |
| -- primary rank | 3.1 | |
| Genus-group, choice of protected names | 21.6 | |
| -- definition | 4.3 | |
| -- coordinate names | 29.1 | |
| Hand-written material | 5.6 | |
| Herbarium sheet | 15.1 | |
| Heterotypic synonym, definition | 22.3 | |
| Holomorph, definition | 36.3 | |
| Holotype, citation | 10.1 | |
| Homonym(s), definition | 18.1 | |
| -- with same date | 18.5 | |
| Homotypic names | 13.3 | |
| Homotypic synonym | 19.6 | |
| -- definition | 22.3 | |
| Hortax news | Div.III.6.1 | |
| Host | 37.7 | |
| Hybrid formula, definition | 24.N.1 | |
| Hybridity, desirability of names | 34A.1 | |
| -- indication of | 34.1 | |
| -- supraspecific ranks | 34.2 | |
| Hyphen | 37.3, 37.4 | |
| Ichnotaxon | 2.2 | |
| -- definition | 36.7 | |
| "in", use of | 40.3 | |
| Individual organism | 2.1 | |
| Infragenus, definition | 28.3, 28.N.1 | |
| Infraspecific rank, definition | 4.3 | |
| Infraspecific taxa, name bearing type | 15.1 | |
| Infrasubspecific name, formation | 33.1, 33.3 | |
| -- when not acceptable | 18.2 | |
| Internal evidence | 40.6 | |
| International Botanical Congress (Nomenclature Section) | Div.III.3 | |
| International Code of Botanical Nomenclature | Pre.3, 19.1 | |
| International Code of Nomenclature for Cultivated Plants | Pre.5, 35.1 | |
| International Code of Nomenclature of Bacteria | Pre.3, 19.1 | |
| International Code of Virus Classification and Nomenclature | Pre.4 | |
| International Code of Zoological Nomenclature | Pre.3, 19.1 | |
| International Commission for the Nomenclature of Cultivated Plants | Div.III.2 | |
| International Commission on Zoological Nomenclature (ICZN) | Div.III.2 | |
| International Committee on Bionomenclature (ICB) | Div.III.1 | |
| -- appointment of chairperson | Div.III.2 | |
| -- power to edit BioCode | Div.III.6 | |
| International Committee on Systematic Bacteriology (ICSB) | Div.III.2 | |
| International Committee on the Taxonomy of Viruses (ICTV) | Div.III.2 | |
| International Congress of Bacteriology | Div.III.3 | |
| International Consultative Group on Bionomenclature | Div.III.6.1 | |
| International journal of systematic bacteriology | Div.III.6.1 | |
| International Union of Biological Sciences (IUBS) | Div.III.,1, 8 | |
| -- Executive Committee | Div.III.2 | |
| -- General Assembly | Div.III.3 | |
| International Union of Microbiological Sciences (IUMS) | Div.III.1, 8 | |
| -- Executive Board | Div.III.1 | |
| J | ||
| Kingdom, principle rank | 3.1 | |
| Labels, not publication | 5.5 | |
| Latin description | 8.3 | |
| Latin, rare letters in | 37.3 | |
| Lectotype, definition | 16.2 | |
| Legitimate name, see Acceptable name | ||
| Letters j, k, w, y rare in classical Latin | 37.3 | |
| Letters u, v, i, j used interchangeably | 37.4 | |
| Lichens | 36.3 | |
| Ligature | 37.3, 37.4 | |
| Limitation of priority | 19.1 | |
| Linnaean system | Prin.2 | |
| List of names, adopted | 21.2 | |
| -- submitted for adoption | 21.1 | |
| Lists of conserved names | ||
| -- permanently open | 22.12 | |
| -- proposal to add or amend | 22.13, 22.14 | |
| Lists of protected names | Pre.3, 19.1 | |
| Lists of suppressed names | ||
| -- permanently open | 23.2 | |
| -- proposal to add to | 23.2, 23.3 | |
| Lyophilization | 15.2 | |
| Microfilm, not publication | 5.6 | |
| Misapplied name | 24.1 | |
| Morphs, see Anamorph and Holomorph | ||
| Multiplication sign, use of | 34.1, 34.N.1 | |
| Museum jar | 15.1 | |
| Name, all kinds of organisms | Pre. 2 | |
| Name-bearing type, application of name | Prin.3 | |
| -- based on generic name | 14.1 | |
| -- conservation of | 10A.1 | |
| -- definition | 14.2 | |
| -- deposit of | 10A.1 | |
| -- designation of | 10.1 | |
| -- genus or below | 10.1 | |
| -- infraspecific taxa | 15.1 | |
| -- species or below | 10.2, 15.1 | |
| -- superfamily or below | 14.1 | |
| Names(s), confusingly similar | 18.3, 38.1 | |
| -- definition | 7.5 | |
| -- doubtfully similar | 18.4 | |
| -- in current use | 21.1 | |
| -- of a genus, definition | 28.1 | |
| -- of a subgenus, definition | 28.N.1 | |
| -- of an infragenus, definition | 28.N.1 | |
| -- of host | 37.7 | |
| -- of infra-subspecific taxon, definition | 33.1 | |
| -- of species, definition | 31.1 | |
| -- of subdivision of genus, definition | 30.1 | |
| -- of subspecies, definition | 31.3 | |
| -- new | 8.3 | |
| -- new, author | 40.2 | |
| -- precedence outside own rank | 19.2 | |
| -- proper reasons for change | Prin. 7 | |
| -- status | 20.1 | |
| Neotype, definition | 16.1 | |
| New combination, author | 40.2 | |
| -- for previous established name | 9.1 | |
| -- typification | 14.3 | |
| "new combination" | 8.3 | |
| "new species" | 8.3 | |
| Nomenclatural acts | 8.4, 13.1 | |
| Nomenclatural type, see Name-bearing type | ||
| Nomenclature, precedence by date | Prin. 4 | |
| -- priority | Prin. 4 | |
| -- stability of | Prin. 7 | |
| Nominal genus, definition | 17.2 | |
| Nominal species, definition | 17.1 | |
| Nominal taxon, definition | 14.1 | |
| Non-fossil organisms | Pre. 2 | |
| Objective synonym, see Homotypic synonym | ||
| Order, formation of name | 25.5 | |
| -- principle rank | 3.1 | |
| Organism, part of | 2.2 | |
| Original spelling, definition | 37.2 | |
| -- when correctable | 37.1 | |
| Orthographical variant, after 200n | 38.1 | |
| -- correctability | 38.2 | |
| -- definition | 38.1 | |
| Orthography, conserved name | 22.10 | |
| -- diaeresis | 37.N.1 | |
| Page reference | 9.2 | |
| Parataxa, definition | 2.2, 36.2 | |
| -- use of binomina | 26.4 | |
| Parts of organisms | 2.2 | |
| Patents, not publication | 5.7 | |
| Photographs of text, not publication | 5.8 | |
| Photostat, not publication | 5.6 | |
| Phylum, formation of name | 25.2, 25.3 | |
| -- principle rank | 3.1 | |
| Potentially valid name, see Acceptable name | ||
| Precedence, by date | Prin. 4 | |
| -- fossil & non-fossil names | 19.8 | |
| -- outside own rank | 19.2 | |
| Precise system of naming | Pre. 1 | |
| Prefix, infra- | 4.2 | |
| -- sub- | 4.2 | |
| -- super- | 4.2 | |
| Preserved specimen | 10.2 | |
| Primary ranks | 3.1 | |
| Principle ranks | 3.1 | |
| Priority (of publication) | Prin. 4 | |
| Prohibited terminations | 25.6, 26.2, 27.2, 28.1 | |
| Prokaryotic organisms | Pre. 2 | |
| Protected name, competing | 21.6 | |
| -- definition | 21.2 | |
| -- earlier homonym of | 21.5 | |
| Protection, conserved names | 21.10 | |
| -- date of | 21.8 | |
| -- restrictions | 21.3 | |
| -- suppressed names | 21.10 | |
| Protologue, bibliographic reference to | 40.1 | |
| -- definition | 9.2.fn | |
| Provisions of this Code | Pre. 2 | |
| Public meeting, not for publication | 5.4 | |
| Publication date, definition | 6.1 | |
| Publication, definition | 5.1 | |
| -- designation of type | 16.4 | |
| -- different editions | 40.6 | |
| -- disqualifying statement | 8.4 | |
| -- issued at different times | 40.6 | |
| -- not for general public use | 5.3 | |
| Q | ||
| Rank(s), change in | Prin. 7 | |
| -- further added | 4.N.1 | |
| -- greater number desired | 4.2 | |
| Registering office | 13.1 | |
| -- receipt of matter | 13.2 | |
| Registration, definition | 13.1 | |
| -- of type | 16.4 | |
| -- procedure | 13.1 | |
| -- resubmission | 13.4 | |
| -- simultaneous | 13.3 | |
| Rejected name | 22.6 | |
| Replacement name | 9.1, 14.3 | |
| -- previous established name | 9.1 | |
| -- typification | 14.3 | |
| Requirements of Biology | Pre. 1 | |
| Restriction of freedom of taxonomic thought | Prin. 1 | |
| Scientific community | 5.1 | |
| Scientific names, governance by BioCode | Prin. 1 | |
| -- nomenclature of | Prin. 2 | |
| -- treated as Latin | Prin. 6 | |
| Secondary ranks | 4.1 | |
| Section, secondary rank | 4.1 | |
| Series, secondary rank | 4.1 | |
| Simple system of naming | Pre. 1 | |
| Simultaneous registration | 13.3 | |
| Slide preparation | 15.1 | |
| "sp. nov." | 8.3 | |
| Special Codes | 7.2, 7.3, 16.N.1, | |
| 21.8, 29.2, 37.4, 38.2, | ||
| Div.III.3, Div.III.4, Div.III.5 | ||
| -- definition | Pre. 3 | |
| Species, formation of name | 31.1 | |
| -- name bearing type | 15.1 | |
| -- primary rank | 3.1 | |
| -- principle rank | 3.1 | |
| Species group, choice of protected names | 21.7 | |
| -- definition | 4.3 | |
| Species-group name, coordinate names | 31.5 | |
| -- grammatical correction | 31.4 | |
| Specific epithet, same as generic name | 31.2 | |
| Specimen, definition | 15.1 | |
| -- duplicate | 16A.1 | |
| -- preserved | 10.2 | |
| Spelling, see Original spelling | ||
| -- standardizations | 37.6 | |
| Stabilization of names | 21.1 | |
| Subclass, formation of name | 25.2 | |
| Subdivision of family, definition | 4.3 | |
| -- formation of names | 27.1 | |
| Subdivision of genus, definition | 4.3 | |
| -- formation of names | 30.1-30A.1 | |
| Subfamily, formation of name | 26.1 | |
| -- secondary rank | 4.1 | |
| Subgenus, formation of name | 28.2, 28.3 | |
| -- secondary rank | 4.1 | |
| Subjective synonym, see Heterotypic synonym | ||
| Suborder, formation of name | 25.2 | |
| Subordinate taxa, establishment | 12.1 | |
| Subphylum, formation of name | 25.2, 25.3 | |
| Subspecies, formation of name | 31.3 | |
| -- secondary rank | 4.1 | |
| Subtribe, formation of name | 27.1 | |
| Superfamily, formation of name | 26.1 | |
| -- or below, name-bearing type | 14.1 | |
| -- secondary rank | 4.1 | |
| Suppressed name, definition | 23.1 | |
| -- proposal | 23.1 | |
| Suppression, overrides protection | 21.10 | |
| Suprafamilial ranks, definition | 4.3 | |
| -- names of | Prin. 3 | |
| Taxon (journal) | Div.III.6.1 | |
| Taxon(a), consecutively subordinate rank | 2.1 | |
| -- definition | 1.1 | |
| --descending sequence | 3.1, 4.1 | |
| Taxonomic groups, termed taxa | 1.1 | |
| Taxonomic knowledge | Prin. 7 | |
| Taxonomic thought | Prin. 1 | |
| Teleomorph, definition | 36.3 | |
| Termination, class name | 25.4 | |
| -- correction of | 25.7, 26.3 | |
| --family name | 26.1 | |
| -- gender of generic names | 39.3 | |
| -- genus | 28.1 | |
| -- order name | 25.5 | |
| -- phylum name | 25.3 | |
| -- prohibited | 25.6, 26.2, 27.2, 28.1 | |
| -- standardizations | 37.6 | |
| -- subclass name | 25.4 | |
| -- subfamily name | 26.1 | |
| -- suborder name | 25.5 | |
| -- subphylum name | 25.3 | |
| -- subtribe | 27.1 | |
| -- superfamily name | 26.1 | |
| -- tribe | 27.1 | |
| -- viral taxa | 25.6, 26.2, 27.2, 28.1 | |
| Terminations | ||
| -aceae | 26.1 | |
| -ales | 25.5 | |
| -eae | 27.1 | |
| -idae | 25.4 | |
| -idae | 26.1 | |
| -ina | 27.1 | |
| inae | 26.1 | |
| -inae | 27.1 | |
| -ineae | 25.5 | |
| -ini | 27.1 | |
| -mycetes | 25.4 | |
| -mycetidae | 25.4 | |
| -mycota | 25.3 | |
| -mycotina | 25.3 | |
| -oidea | 26.1 | |
| -oideae | 26.1 | |
| -opsida | 25.4 | |
| -phyceae | 25.4 | |
| -phycidae | 25.4 | |
| -phyta | 25.3 | |
| -phytina | 25.3 | |
| -virales | 25.6 | |
| -viridae | 25.6, 26.2, 27.2 | |
| -virinae | 25.6, 26.2, 27.2 | |
| -virus | 28.1 | |
| Trace fossils | 2.2 | |
| Transcription | 37.4 | |
| Tribe, formation of name | 27.1 | |
| -- secondary rank | 4.1 | |
| Trinomen, definition | 7.6 | |
| Type, citation of | 10.1 | |
| -- conserved name | 22.7 | |
| -- designation of before 200n | 16.N.1 | |
| -- designation to be published | 16.4 | |
| -- illustration permitted | 15.3 | |
| -- material, not practicable to preserve | 15.3 | |
| -- nominal taxon of family-group | 17.2 | |
| -- nominal taxon of genus | 17.1 | |
| -- registration of | 16.4 | |
| Type Specimen, ambiguous | 16.3 | |
| -- containing parts of more than one taxon | 16.2 | |
| -- epitype | 16.3 | |
| -- lectotype | 16.2 | |
| -- lost or destroyed | 16.1 | |
| -- metabolically inactive state | 15.2 | |
| -- neotype | 16.1, 16A.1 | |
| Typeless names | 25.1, 25A.1 | |
| Typographical error | 38.1 | |
| U | ||
| Valid name, see Accepted name | ||
| Validly published name, see Established name | ||
| Variety, secondary rank | 4.1 | |
| Viral taxa | 25.6, 26.2, 27.2, 28.1 | |
| Virology division news | Div.III.6.1 | |
| Virus nomenclature | Pre.4 | |
| W | ||
| X | ||
| Y | ||
| Z | 
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