Taxonomy

• Classification Society of North America
  Promotes the scientific study of classification and clustering (including systematic methods of creating classifications from data).
• Expert Center for Taxonomic Identification
  Foundation dedicated to improve on a global scale the quantity, quality, and accessibility of taxonomic information, based on an initiative of the United Nations' Education, Scientific, and Cultural Organization (UNESCO).
• Integrated Taxonomic Information System (ITIS)
  Valid names of plants and animals mainly in North America - searchable by common or scientific name.
• Mammal Species of the World
  Names of all currently recognized species of mammals - searchable by common or scientific name, or browse the hierarchy tree.
• The NCBI Taxonomy Homepage
  Browse through Archaea, Bacteria, Eukaryota, Viroids, and Viruses.
• Organelle Genome Database (GOBASE)
  A taxonomically broad organelle genome database that organizes and integrates diverse data related to organelles.
• Plants National Database
  Searchable checklist of North American plants - includes photos, distribution maps, and references.
• Science at the Natural History Museum
  A world leader for research on taxonomy and biodiversity.
• Species 2000
  Species 2000 has the objective of enumerating all known species of plants, animals, fungi and microbes on Earth as the baseline dataset for studies of global biodiversity. Provides a simple access point enabling users to link from here to other data systems for all groups of organisms, using direct species-links.
• Systematics and Taxonomy
  Provides links for various categories.
• Taxonomic Hierarchy used in Zoological Record
  The hierarchy represents the Systematic Thesaurus containing controlled terms used in the production of Zoological Record, the index to world zoological literature published by BIOSIS and the Zoological Society of London. It is a phylogenetically arranged classification scheme for all animal groups, primarily a tool for information organization and retrieval purposes.
• Taxonomic Resources and Expertise Directory
  Searchable by taxonomic specialist or taxon.
• TreeBASE
  Published datasets and descriptions from phylogenetic studies.
• Google Taxonomy Category
  Provides lists of links for 5 categories.

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