Open Access Research article

Detecting the symplesiomorphy trap: a multigene phylogenetic analysis of terebelliform annelids

Min Zhong1, Benjamin Hansen2, Maximilian Nesnidal2, Anja Golombek2, Kenneth M Halanych1 and Torsten H Struck2*

Author Affiliations

1 Auburn University, Department of Biological Sciences, 101 Life Science Building, Auburn, AL 36849, USA

2 University of Osnabrück, FB05 Biology/Chemistry, AG Zoology, Barbarastr. 11, 49069 Osnabrück, Germany

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BMC Evolutionary Biology 2011, 11:369  doi:10.1186/1471-2148-11-369

Published: 20 December 2011

Additional files

Additional file 1:

Mitochondrial genomes and their properties. This file provides a more detailed description of methods for the determination of the mitochondrial genomes as well as of their general properties such as codon usage.

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Additional file 2:

Analyses with increased taxon sets. This file provides a summary of datasets, analyses and results with more than 17 taxa.

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Additional file 3:

Best ML trees of the amino acid datasets with 17 taxa. This file provides a supplementary figure showing the best tree of ML and BI analyses based on mitochondrial and combined amino acid datasets.

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Additional file 4:

Compositional heterogeneity of the 3rd positions. This file provides a supplementary figure showing the analyses of compositional heterogeneity of 3rd positions included in the mitochondrial dataset as well as of only the 3rd positions of the mitochondrial protein-coding genes.

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Additional file 5:

Analyses using time-heterogeneous models. This file provides a supplementary figure showing the results of the PHASE analyses using 3, 6 or 9 compositional vectors, respectively, for both the mitochondrial and nuclear dataset.

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