APPENDIX 1.

NEXUS file. NEXUS Appendix as PDF for download.

APPENDIX 2.

Character map, equal weights analysis. Character map, implied weights analysis (k=6). Appendices 2-6 as PDF for download.

APPENDIX 3.

Phylogenetic arrangement under implied weights analysis (k=3). Appendices 2-6 as PDF for download.

APPENDIX 4.

Phylogenetic relation of Tlaxcallicetus. Equal weights analysis, strict consensus of 260 equally parsimonious trees. Tree length is 1474. The number in each branch denotes the branch length. Appendices 2-6 as PDF for download.

APPENDIX 5.

Phylogenetic relation of Tlaxcallicetus. Implied weights analysis (k=6), strict consensus of three equally parsimonious trees. Tree length is 1338. The number in each branch denotes the branch length. Appendices 2-6 as PDF for download.

APPENDIX 6.

Backbone constraint tree data. Appendices 2-6 as PDF for download.