Chief editor

Dr Kevin de Queiroz, Department of Vertebrate Zoology; National Museum of Natural History; Smithsonian Institution; P.O. Box 37012, MRC 162; Washington, DC 20013-7012, United States

Subject editor (plants)

Dr. Richard G. Olmstead, Department of Biology and Burke Museum, University of Washington, Seattle, WA 98155, United States

Subject Editor (fungi)

Dr David S. Hibbett, Biology Department; Clark University; Worcester, MA 01610, United States

Subject Editor (vertebrates)

Dr Michel Laurin, CR2P, CNRS/MNHN/SU; Muséum National d’Histoire Naturelle; CP 48; 43 rue Buffon, 75005 Paris, France

Subject Editor (metazoans, except for vertebrates)

Dr Greg W. Rouse, Scripps Institution of Oceanography; University of California, San Diego; 9500 Gilman Drive; La Jolla, CA 92093-0202, United States

Subject Editor (biotans, except for plants, fungi, and metazoans)

Dr Micah Dunthorn, Natural History Museum, University of Oslo; P.O. Box 1172 Blindern; 0318 Oslo, Norway