PhyloCode is a set of principles, rules, and recommendations governing phylogenetic nomenclature, a system for naming taxa by explicit reference to phylogeny. In contrast, systems, as embodied in the current botanical, zoological, and bacteriological codes, define taxa by reference to taxonomic ranks (e.g., family, genus) and types. This edition will govern the names of clades, while species names will still be governed by traditional codes. PhyloCode is designed so that it can be used concurrently with the rankbased codes. It is not meant not to replace existing systems but to provide an alternative system for governing the application of both existing and newly proposed names
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Preface. Preamble. Division I. Principles. Division II. Rules. Chapter I. Taxa. Article 1. The Nature of Taxa. Article 2. Clades. Article 3. Hierarchy and Rank. Chapter II. Publication. Article 4. Publication Requirements. Article 5. Publication Date. Chapter III. Names. Section 1. Status. Article 6. Section 2. Establishment. Article 7. General Requirements. Article 8. Registration. Chapter IV. Clade Names. Article 9. General Requirements for Establishment of Clade Names. Article 10. Selection of Clade Names for Establishment. Article 11. Specifiers and Qualifying Clauses. Chapter V. Selection of Accepted Names. Article 12. Precedence. Article 13. Homonymy. Article 14. Synonymy. Article 15. Conservation. Chapter VI. Provisions for Hybrids. Article 16. Chapter VII. Orthography. Article 17. Orthographic Requirements for Establishment. Article 18. Subsequent Use and Correction of Established Names. Chapter VIII. Authorship of Names. Article 19. Chapter IX. Citation of Authors and Registration Numbers. Article 20. Chapter X. Governance. Article 21. Glossary. Table 1. Equivalence of Nomenclatural Terms. Appendix A. Registration Procedures and Data Requirements. Appendix B. Code of Ethics.