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Neospirifer: References & Edit History
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Article History
Type | Description | Contributor | Date |
---|---|---|---|
Updated geologic time data. | May 25, 2010 | ||
Media added. | Aug 07, 2009 | ||
Article revised and updated. | Aug 11, 2008 | ||
Article added to new online database. | Jul 20, 1998 |
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