Supplementary Data 1-8 of "Spiny chondrichthyan from the lower Silurian of South China"

<strong>Supplementary Data 1</strong>. A set of tomographic slices from a synchrotron X-ray radiation analysis of the holotype specimen of <em>Fanjingshania </em>(V27433.1). Tomographic slices generated in Mimics 19.0. <strong>Supplementary Data 2</strong>. A set of tomographic slices from a synchrotron X-ray radiation analysis of <em>Fanjingshania </em>specimen V27434.1. Tomographic slices generated in Mimics 19.0. <strong>Supplementary Data 3</strong>. A set of tomographic slices from a synchrotron X-ray radiation analysis of <em>Fanjingshania </em>specimen V27435.1. Tomographic slices generated in Mimics 19.0. <strong>Supplementary Data 4</strong>. Volume rendering of <em>Fanjingshania</em> V27433.1 with colour coded features (see Fig. 2 for interpretation). 3D reconstruction and segmentation of synchrotron tomography data performed in Mimics 19.0. <strong>Supplementary Data 5</strong>. Volume rendering of a <em>Fanjingshania</em> specimen V27434.1 with colour coded features (see Fig. 2 for interpretation). 3D reconstruction and segmentation of synchrotron tomography data performed in Mimics 19.0. <strong>Supplementary Data 6</strong>. Volume rendering of the holotype of a <em>Fanjingshania</em> specimen V27435.1 with colour coded features (see Fig. 2 for interpretation). 3D reconstruction and segmentation of synchrotron tomography data performed in Mimics 19.0. Supplementary Data 7. Parsimony analyses files. Character-taxon matrix (.tnt and .nex). Phylogenetic tree files (.tre). TNT logs (.rtf) of parsimony and the bootstrap analyses. PAUP reconstructed character states (.log) at internal nodes of the majority-rule consensus tree. R script (.rtf) used to calculate the time-scaled majority-rule consensus tree. Supplementary Data 8. Bayesian analyses files. Character-taxon matrix (.nex), consensus tree (.tre) and other output files (.ckp, .mcmc, .parts, .t, tprobs, .tstat and .vstat) generated in MrBayes version 3.2.7a.