Marianne A. Minge, Jeffrey D. Silberman, Russell J.S. Orr, Thomas Cavalier-Smith, Kamran Shalchian-Tabrizi, Fabien Burki, Åsmund Skjæveland, Kjetill S. Jakobsen
Proc Biol Sci. 2009 Feb 22; 276(1657): 597–604. Published online 2008 Nov 11. doi: 10.1098/rspb.2008.1358