Online version of 2019 Annual Checklist:
http://www.catalogueoflife.org/annual-checklist
Archived Annual Checklist online editions of previous years:
2018 Annual Checklist, 1,900,983 species (incl. extinct)
2017 Annual Checklist, 1,803,488 species (incl. extinct)
2016 Annual Checklist, 1,640,969 species
2015 Annual Checklist, 1,606,554 species
2014 Annual Checklist, 1,578,063 species
2013 Annual Checklist, 1,352,112 species
2012 Annual Checklist, 1,404,038 species
2011 Annual Checklist, 1,347,224 species
2010 Annual Checklist, 1,257,735 species
2009 Annual Checklist, 1,160,711 species
2008 Annual Checklist, 1,105,589 species
2007 Annual Checklist, 1,008,965 species
2006 Annual Checklist, 884,552 species
2005 Annual Checklist, 526,323 species
Latest version of the CoL monthly editions:
Darwin Core Archives of monthly editions:
http://www.catalogueoflife.org/DCA_Export/archive.php
Web service:
Species 2000 provides web services to facilitate automated access to the Annual Checklist by computer programs. Please visit http://www.catalogueoflife.org/content/web-services for more information.
CoL Download Service in Darwin Core Archive:
http://www.catalogueoflife.org/DCA_Export
CoL website:
CoL Twitter:
https://twitter.com/catalogueoflife
A list of publications that use, mention or refer to the Catalogue of Life compiled by Integrated Marine Information System (IMIS):