International Commission on Zoological Nomenclature


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

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Chapter 5: Date of publication

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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

Chapter 13: The type concept in nomenclature


Article 61. Principles of Typification



61.1. Statement of the Principle of Typification



61.2. Name-bearing types of nominotypical taxa



61.3. Name-bearing types and synonymy



61.4. Designation of a subgenus or subspecies as a name-bearing type

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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