Classifying and Identifying Microorganisms
The scientific term for classifying living things is known as taxonomy. Taxonomy involves the following three terms:
All microorganisms are classified into the three domains of life: Archaea, Bacteria (prokaryotes), and Eukarya except for viruses which are acellular in nature.
Integrated Taxonomic Information System
Welcome to ITIS, the Integrated Taxonomic Information System! Here you will find authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
LPSN - List of Prokaryotic names with Standing in Nomenclature
AlgaeBase is a global algal database of taxonomic, nomenclatural and distributional information.
Free and open access to biodiversity data
Global Catalogue of Microorganisms
Identification and Classification of Microorganisms
Microorganism Taxonomy and Organism Classification
Classification of microorganism
Chapter 1 - Classification and pathogenicity of microbes
Classification of Microorganisms
Microbiology of Overall Classification of Microbes
Classification, identification and typing of micro-organisms
Universal Virus Database of the Intl. Committee on Taxonomy of Viruses
For virus taxonomy, use this site.