Mauritian snail shells show evidence of extinct predators 1Peterhouse, University of Cambridge, Cambridge, Cambridgeshire, United Kingdom 2Tropical Island Biodiversity, Ecology and Conservation Pole of Research, Faculty of Science, University of Mauritius, Reduit, Mauritius 3Bioculture Ltd., Senneville, Riviere des Anguilles, Mauritius DOI 10.7717/peerj.20112 Academic Editor Laura Brannelly Subject Areas Biodiversity, Conservation Biology Keywords Extinction, Mollusca, Islands, Predation...