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

Supplementary Data 1. A set of tomographic slices from a synchrotron X-ray radiation analysis of the holotype specimen of Fanjingshania (V27433.1). Tomographic slices generated in Mimics 19.0.

Supplementary Data 2. A set of tomographic slices from a synchrotron X-ray radiation analysis of Fanjingshania specimen V27434.1. Tomographic slices generated in Mimics 19.0.

Supplementary Data 3. A set of tomographic slices from a synchrotron X-ray radiation analysis of Fanjingshania specimen V27435.1. Tomographic slices generated in Mimics 19.0.

Supplementary Data 4. Volume rendering of Fanjingshania V27433.1 with colour coded features (see Fig. 2 for interpretation). 3D reconstruction and segmentation of synchrotron tomography data performed in Mimics 19.0. 

Supplementary Data 5. Volume rendering of a Fanjingshania 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. 

Supplementary Data 6. Volume rendering of the holotype of a Fanjingshania 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.