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Research Article

How Many Species Are There on Earth and in the Ocean?

  • Camilo Mora mail,

    moracamilo@hotmail.com

    Affiliations: Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada, Department of Geography, University of Hawaii, Honolulu, Hawaii, United States of America

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  • Derek P. Tittensor,

    Affiliations: Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada, United Nations Environment Programme World Conservation Monitoring Centre, Cambridge, United Kingdom, Microsoft Research, Cambridge, United Kingdom

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  • Sina Adl,

    Affiliation: Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada

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  • Alastair G. B. Simpson,

    Affiliation: Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada

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  • Boris Worm

    Affiliation: Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada

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  • Published: August 23, 2011
  • DOI: 10.1371/journal.pbio.1001127
  • Featured in PLOS Collections

About the Authors

Camilo Mora, Derek P. Tittensor, Sina Adl, Alastair G. B. Simpson, Boris Worm
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
Camilo Mora
Department of Geography, University of Hawaii, Honolulu, Hawaii, United States of America
Derek P. Tittensor
United Nations Environment Programme World Conservation Monitoring Centre, Cambridge, United Kingdom
Derek P. Tittensor
Microsoft Research, Cambridge, United Kingdom

Corresponding Author

Email: moracamilo@hotmail.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: CM DPT BW. Analyzed the data: CM DPT. Wrote the paper: CM DPT SA AGBS BW. Reviewed higher taxonomy: CM SA AGBS.