Species 2000 & ITIS Catalogue of life, annual checklist 2004 : Indexing the world's known species

Kept in CD collection|Species 2000 and ITS are involving taxaonomists throughout the world in collating a uniform and validated index to the world's known species, the Species 2000 & ITIS Catalogue of life. This is a work in progress and does not cover all of the world's species. The catalogue is available as a Dynamic Checklist and as a yearly edition (the Annual Checklist) (www.sp2000.org/anualchecklist.html) on the Internet