International Commission on Zoological Nomenclature

Welcome to the ICZN

BZN 77 Petrogale penicillata Gray 1827 mockup 2The International Commission on Zoological Nomenclature (ICZN) acts as adviser and arbiter for the zoological community by generating and disseminating information on the correct use of the scientific names of animals. The ICZN is responsible for producing the International Code of Zoological Nomenclature - a set of rules for the naming of animals and the resolution of nomenclatural problems.


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News & Updates

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[Job Opportunity] ICZN Executive Secretary

The International Commission on Zoological Nomenclature (ICZN) is seeking candidates to fill the position of Executive Secretary. The ICZN Secretariat is based in the Lee Kong Chian Natural History Museum, Singapore.

 More information:

Closing date for applications: 30 October 2020

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New ICZN Councillors elected

Fri, 2020-10-09 10:19 -- Councillors Frank Rheindt and Patrice Bouchard have been elected by the Commission to serve on the ICZN Council for a full term of six (6) years. Their terms begin with the simultaneous retirement of Councillor Rosenberg on Friday, 9 October 2020. We would like to welcome Councillors Rheindt and Bouchard to the ICZN Council, as well as thank Commissioner Rosenberg for his service.

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Deferment of Commissioner elections

Fri, 2020-07-10 05:55 -- The International Commission on Zoological Nomenclature will be postponing elections for new Commissioners due to the global-COVID-19 outbreak. More details may be found at the following link:

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Proposed amendments to the Constitution of the International Commission on Zoological Nomenclature

The International Commission on Zoological Nomenclature is publishing proposed amendments to its Constitution in order to solicit feedback from the zoological community on them. Constructive comments are welcome and will be published in the Bulletin of Zoological Nomenclature in order to further useful debate on how best to revise the foundational rules and principles of the ICZN. The amendment is published in the Bulletin of Zoological NomenclatureZooKeys, Zootaxa, and the European Journal of Taxonomy.

 Along with amendments to its Bylaws, this proposed amendment to the Constitution of the ICZN helps the Commission clarify its position in fulfilling its aim of promoting stability and universality in nomenclature.


Why are names important?

Case studies... more>>

Scientific names: reasons and best practices... more>>



ICZN activities depend to a crucial extent on donations from individuals, institutions, learned societies and grant-giving bodies.

Speak to us about how you can be a part of this important work ( / +65 6516 8364)

Latest Pages Updated

The Code / Declaration 45 - updated 2020-12-03 00:36 (GMT +8)

About / Nominations for new Commissioners - updated 2020-03-03 14:16 (GMT +8)

Instructions for Authors / Guidelines for Case preparation - updated 2020-02-20 15:22 (GMT +8)