sentences:  Development of the Catalogue of Life was funded through the Species 2000 europa (EuroCat), 4d4Life, i4Life projects in 2003-2013, and currently by the Naturalis Biodiversity Center, Leiden, the Netherlands and Species Files group at Illinois Natural History Survey, Champaign-Urbana IL, USA.Much of the use of the Catalogue is to provide a backbone taxonomy for other global data portals and biological collections.Through the i4Life project it has formal partnerships with Global Biodiversity Information Facility, European Nucleotide Archive, Encyclopedia of Life, European Consortium for the Barcode of Life, IUCN Red List, and Life Watch.