[1] ITZ, TiHo Hannover, D-30559 Hannover, Germany
[2] Yale Univ, MCDB, New Haven, CT 06511 USA
[3] AMNH New York, New York, NY 10024 USA
[4] Univ Leipzig, Inst Informat, D-04107 Leipzig, Germany
[5] Univ Bonn, Inst Evolut & Ecol, D-53121 Bonn, Germany