File:Deinosuchus rugosus tooth by Emmons.png

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Description
English: A sketch of two fossil teeth named "Polyptychodon" rugosus, the first described specimens of the giant crocodilian Deinosuchus.
Date
Source Emmons, Ebenezer (1858) Report of the North Carolina Geological Survey, Henry D. Turner, pp. pp. 219–220 Retrieved on 24 February 2009.
Author Ebenezer Emmons
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Deinosuchus_rugosus_tooth_by_Emmons.png

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Date/TimeThumbnailDimensionsUserComment
current04:23, 2 January 2009Thumbnail for version as of 04:23, 2 January 20091,920 × 1,920 (485 KB)FanCollector (talk | contribs){{Information |Description= |Source= |Date= |Author= |Permission= |other_versions= }}
05:48, 29 November 2008Thumbnail for version as of 05:48, 29 November 20081,200 × 1,920 (58 KB)FanCollector (talk | contribs){{Information |Description={{en|1=A sketch of a fossil tooth attributed to "''Polyptychodon''," but probably actually from the giant crocodilian ''Deinosuchus''.}} |Source=Report of the North Carolina Geological Survey, p. 220 |Author=Ebenezer Emmons |Dat

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