APPENDIX 1.
Detailed data of the specimens used in this study. (File is available as 1157_appendices.rar and 1157_appendices.zip.)
APPENDIX 2.
A) Video tutorial for the virtual modelling method used herein. B) Semilandmark configuration (black wireframe) and virtual whorl cross-section (grey surface) for the 50 ammonoid specimens, and three additional nautilid specimens to corroborate the application of this technique to other ectocochlate cephalopods. (File is available as 1157_appendices.rar and 1157_appendices.zip.)
APPENDIX 3.
Summary of the results for the principal component analysis. (File is available as 1157_appendices.rar and 1157_appendices.zip.)
