Welcome to the Species 2000 website
and the Species 2000 and ITIS 'Catalogue of Life' 

Please use the menu on the left to browse for more information about the Species 2000 project or use the links below to search the Species 2000 and ITIS "Catalogue of Life ".

• Annual Checklist 2009  New!
  - Species 2000 & ITIS assembly of 66 taxonomic databases as a fixed annual edition
  - 1,160,711 species
  - Also will be available on a free CD-ROM in June 2009. Order your personal copy or download an ISO image and burn your own CD. 
  - Archive versions of 2000-2008 Annual Checklists are available
  
  
  
•  Dynamic Checklist
  - real time access to the Species 2000 array of 26 online taxonomic databases
  - 450,000 species
  

Please note that database coverage differs between the Dynamic and the Annual Checklists.