Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.


Digging deeper

The Cambrian evolution of burrowing species is thought to have facilitated sediment mixing. However, sediment fabrics suggest that bioturbation remained insignificant until the appearance of more efficient sediment mixers in the Silurian.

This is a preview of subscription content, access via your institution

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Figure 1: Burrows and oxygen.



  1. Tarhan, L., Droser, M. L., Planavsky, N. J. & Johnston, D. T. Nature Geosci. 8, 865–869 (2015).

    Article  Google Scholar 

  2. Canfield, D. & Farquhar, J. Proc. Natl Acad. Sci. USA 106, 8123–8127 (2009).

    Article  Google Scholar 

  3. Boyle, R. et al. Nature Geosci. 7, 671–676 (2014).

    Article  Google Scholar 

  4. Seilacher, A. Palaios 14, 86–93 (1999).

    Article  Google Scholar 

  5. Harazim, D., Callow, R. & McIlroy, D. Sedimentology 60, 1621–1638 (2013).

    Article  Google Scholar 

  6. Mangano, M. G. & Buatois, L. A. Proc. R. Soc. B 281, 20140038 (2014).

    Article  Google Scholar 

  7. Bottjer, D., Hagadorn, J. & Dornbos, S. GSA Today 10, 1–7 (2000).

    Google Scholar 

  8. Gingras, M. et al. Nature Geosci. 4, 372–375 (2011).

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Murray Gingras.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Gingras, M., Konhauser, K. Digging deeper. Nature Geosci 8, 825–826 (2015).

Download citation

  • Published:

  • Issue Date:

  • DOI:


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing