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Chaetetid Bird Spring cross-section Upper Carboniferous Nevada

Image of demosponges

Description:

Description: English: Chaetetid cross-section, Bird Spring Formation (Upper Carboniferous) of southern Nevada. Date: 17 May 2015, 10:52:43. Source: Own work. Author: Wilson44691.

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cc-publicdomain
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Wilson44691
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original media file
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Wikimedia Commons
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3d50930673fe4203cc58cd769041fe80