Hauterivian Stage: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| New text updating the boundary years for the stage added. | May 06, 2013 | ||
| Deleted Web site: GeoWhen Database - Hauterivian. | May 01, 2013 | ||
| Added Cretaceous Period geologic time scale. | Jul 07, 2011 | ||
| Updated geologic time data. | May 20, 2010 | ||
| Article revised and updated. | Jan 19, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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