Title pages

Explanatory Note on the Code

Preface to the Fourth Edition

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Chapter 1: Zoological nomenclature

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Chapter 2: The number of words in the scientific names of animals

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Chapter 3: Criteria of publication

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Chapter 4: Criteria of availability

Chapter 5: Date of publication


Article 21. Determination of date



21.1. Date to be adopted



21.2. Date specified



21.3. Date incompletely specified



21.4. Date incorrect



21.5. Dates of work issued in parts



21.6. Range of dates



21.7. Date not specified



21.8. Advance distribution of separates and preprints


Article 22. Citation of date

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Chapter 6: Validity of names and nomenclatural acts

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Chapter 7: Formation and treatment of names

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Chapter 8: Family-group nominal taxa and their names

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Chapter 9: Genus-group nominal taxa and their names

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Chapter 10: Species-group nominal taxa and their names

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Chapter 11: Authorship

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Chapter 12: Homonymy

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Chapter 13: The type concept in nomenclature

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Chapter 14: Types in the family group

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Chapter 15: Types in the genus group

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Chapter 16: Types in the species group

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Chapter 17: The International Commission on Zoological Nomenclature

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Chapter 18: Regulations governing this code




Appendix A: Code of Ethics

Appendix B: General Recommendations

Constitution of the ICZN