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- © Mande Holford, Nicolas Puillandre, Maria Vittoria Modica, Maren Watkins, Rachel Collin, Eldredge Bermingham, Baldomero M. Olivera. Authors also thank Carey Matz for shell images.
- Copyright licence: CC-BY 2.5 (http://creativecommons.org/licenses/by/2.5/)
- Provenance: http://media.eol.org/content/2015/03/20/07/87087_orig.jpg