1. NMFS, National Systematics Laboratory, National Museum of Natural History, MRC-153, Smithsonian Institution P.O. Box 37012, Washington, DC, 20013–7012, USA; E-mail: CollinsA@SI.edu (A.G.C.)
2. Muséum d'Histoire Naturelle 1 route Malagnou, CH-1211, Genève, Switzerland
3. Department of Zoology, Institute of Biosciences, University of São Paulo São, Paulo, Brazil
4. W & T, Swiss Federal Institute of Aquatic Science and Technology (EAWAG-ETH) Ueberlandstrasse 133, CH-8600, Duebendorf, Switzerland
5. DOE Joint Genome Institute 2800 Mitchell Drive, Walnut Creek, California, 94598, USA
6. ITZ, Ecology & Evolution, TiHo Hannover Bünteweg 17d, D-30559, Hannover, Germany