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File:Troodon formosus holotype tooth.jpg

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Summary

Description Troddon formosus Leidy. Holotype, tooth, Academy of Natural Sciences of Philadelphia, No. 9259; Judith River formation, Upper Cretaceous, Montana; X6 (A. N. S. photograph). (p. 629) 2-The same, showing facet of wear; X6. 3-The same, anterior view; X6.
Date
Source https://www.jstor.org/stable/1299599?seq=1#metadata_info_tab_contents
Author Loris S. Russell
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Per http://onlinebooks.library.upenn.edu/cce/firstperiod.html#J this journal has no renewal records, hence:

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This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs.
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Date/TimeThumbnailDimensionsUserComment
current19:41, 25 October 2022Thumbnail for version as of 19:41, 25 October 2022945 × 384 (58 KB)FunkMonk== {{int:filedesc}} == {{Information |Description=Troddon formosus Leidy. Holotype, tooth, Academy of Natural Sciences of Philadelphia, No. 9259; Judith River formation, Upper Cretaceous, Montana; X6 (A. N. S. photograph). (p. 629) 2-The same, showing facet of wear; X6. 3-The same, anterior view; X6. |Source=https://www.jstor.org/stable/1299599?seq=1#metadata_info_tab_contents |Date=1948 |Author=Loris S. Russell |Permission=Per http://onlinebooks.library.upenn.edu/cce/firstperiod.html#J this...

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