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. 2009 Jan 7;4(1):e4141. doi: 10.1371/journal.pone.0004141

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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Colors denote varying contribution of different animal phyla. Subplot is the inverse cumulative frequency distribution of range sizes. Percentages denote species with ranges sizes greater than range (x).