Welcome to the website of the
International Society for Phylogenetic Nomenclature.

The ISPN encourages the development and use of phylogenetic nomenclature and oversees the implementation of a code of rules to govern phylogenetic nomenclature — the PhyloCode.

The society is open to anyone wishing to partake in this venture.

Join the ISPN

Latest News

Election Results
ISPN 2021 election results are available.
New books: PhyloCode and Phylonyms
New books present the PhyloCode, an evolution-based system for naming organisms.
RegNum (Beta Release)
A beta version of the Registration Database is online.