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PubMed Entrez BLAST Genome Taxonomy Structure
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Taxonomy browser

Taxonomy common tree

Taxonomy information

Taxonomy resources

Genetic codes

Taxonomy Statistics

Taxonomy Name/Id Status Report

Taxonomy FTP site


How to reference the NCBI taxonomy database

How to create links to the NCBI taxonomy

How to create LinkOut links from the NCBI taxonomy

Extinct organisms

Recent changes to classification


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Major 3rd Party Taxonomic Data Resources


Amphibian Species of the World

ASM Mammal Diversity Database



Eschmeyer's Catalog of Fishes

Global Lepidoptera Names Index

ICTV: International Committee on Taxonomy of Viruses

Index Fungorum

Index Herbariorum

ITIS: Interagency Taxonomic Information System

International Plant Names Index

LPSN: List of Prokaryotic names with Standing in Nomenclature


Nomenclator Zoologicus

PESI: Pan-European Species directories Infrastructure

Reptiles Database


Wilson & Reeder's Mammal Species of the World

World Checklist of Selected Plant Families

World Flora Online

WoRMS: World Register of Marine Species


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