International Commission on Zoological Nomenclature

Welcome to the ICZN

The 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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BZN 78: articles published 30 April 2021

Fri, 2021-04-30 23:30 -- The first tranche of articles for BZN volume 78 is published 30 April 2021.

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BZN 77: volume complete, articles published 30 December 2020

Mon, 2021-01-11 12:51 -- The final tranche of articles for BZN volume 77 was published 30 December 2020. Information about Notices, Applications, Comments, Notes, and Rulings of the Commission for volume 77 is now available from the website. We seek your patience as information from back issues and volumes are uploaded.

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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:


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.

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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)