**Appendix A**

The SµCT reconstructed data of (individual) specimens that were cleaned with the different cleaning methods are available online at: (1) https://doi.org/10.6084/m9.figshare.13333772 for those treated with 5% Na6P6O18, (2) https://doi.org/10.6084/m9.figshare.13335002 for those treated with 2.5% H2O2, (3) https://doi.org/10.6084/m9.figshare.13335833 for those that underwent HyPerCal treatment, (4) https://doi.org/10.6084/m9.figshare.13335890 for those that treated simultaneously with 2.5% H2O<sup>2</sup> and 5% Na6P6O18, (5) https://doi.org/10.6084/m9.figshare.13335908 for those treated with 4% H2O2, and (6) https://doi.org/10.6084/m9.figshare.13335935 for those treated only with distilled water.
