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

Chapter 10: Species-group nominal taxa and their names


Article 45. The species group



45.1. Definition



45.2. Provisions applicable to all species-group nominal taxa and their names



45.3. Application of species-group names



45.4. Formation and treatment of species-group names



45.5. Infrasubspecific names



45.6. Determination of subspecific or infrasubspecific rank of names following a binomen


Article 46. Principle of Coordination



46.1. Statement of the Principle of Coordination applied to species-group names



46.2. Name-bearing types


Article 47. Nominotypical taxa



47.1. Definition



47.2. Change of nominotypical subspecies


Article 48. Change of generic assignment


Article 49. Use of species-group names wrongly applied through misidentification

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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