International Commission on Zoological Nomenclature
 INTERNATIONAL CODE OF ZOOLOGICAL NOMENCLATURE online

Contents

Title pages

Explanatory Note on the Code

Preface to the Fourth Edition

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Introduction

Preamble

show Chapter 1 sections

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

show Chapter 5 sections

Chapter 5: Date of publication

show Chapter 6 sections

Chapter 6: Validity of names and nomenclatural acts

Chapter 7: Formation and treatment of names

  

Article 25. Formation and treatment of names

  

Article 26. Assumption of Greek or Latin in scientific names

  

Article 27. Diacritic and other marks

  

Article 28. Initial letters

  

Article 29. Family-group names

  

  

29.1. Formation of family-group names

  

  

29.2. Suffixes for family-group names

  

  

29.3. Determination of stem in names of type genera

  

  

29.4. Acceptance of originally formed stem

  

  

29.5. Maintenance of current spellings

  

  

29.6. Avoidance of homonymy in family-group names

  

Article 30. Gender of genus-group names

  

  

30.1. Gender of names formed from Latin or Greek words

  

  

30.2. Gender of names formed from words that are neither Latin nor Greek

  

Article 31. Species-group names

  

  

31.1. Species-group names formed from personal names

  

  

31.2. Agreement in gender

  

Article 32. Original spellings

  

  

32.1. Definition

  

  

32.2. Correct original spelling

  

  

32.3. Preservation of correct original spelling

  

  

32.4. Status of incorrect original spellings

  

  

32.5. Spellings that must be corrected (incorrect original spellings)

  

Article 33. Subsequent spellings

  

  

33.1. Kinds of subsequent spellings

  

  

33.2. Emendations

  

  

33.3. Incorrect subsequent spellings

  

  

33.4. Use of -i for -ii and vice versa, and other alternative spellings, in subsequent spellings of species-group names

  

  

33.5. Cases of doubt

  

Article 34. Mandatory changes in spelling consequent upon changes in rank or combination

  

  

34.1. Family-group names

  

  

34.2. Species-group names

show Chapter 8 sections

Chapter 8: Family-group nominal taxa and their names

show Chapter 9 sections

Chapter 9: Genus-group nominal taxa and their names

show Chapter 10 sections

Chapter 10: Species-group nominal taxa and their names

show Chapter 11 sections

Chapter 11: Authorship

show Chapter 12 sections

Chapter 12: Homonymy

show Chapter 13 sections

Chapter 13: The type concept in nomenclature

show Chapter 14 sections

Chapter 14: Types in the family group

show Chapter 15 sections

Chapter 15: Types in the genus group

show Chapter 16 sections

Chapter 16: Types in the species group

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Chapter 17: The International Commission on Zoological Nomenclature

show Chapter 18 sections

Chapter 18: Regulations governing this code

Glossary

Summary

Appendices

Appendix A: Code of Ethics

Appendix B: General Recommendations

Constitution of the ICZN

Index

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