File:PSM V32 D811 Genuine alga from the silurian Buthotrephis grantii.jpg

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Description
English: Possible algae; Thallograptus grantii, Silurian, Canada (Original Caption: Buthotrephis Grantii A genuine alga from the Silurian, Canada.)
Date between 1887 and 1888
date QS:P,+1887-00-00T00:00:00Z/8,P1319,+1887-00-00T00:00:00Z/9,P1326,+1888-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 32
Author Unknown authorUnknown author
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Date/TimeThumbnailDimensionsUserComment
current05:51, 17 April 2015Thumbnail for version as of 05:51, 17 April 2015917 × 1,674 (451 KB)IneuwCleaned image and improved contrast
16:26, 27 September 2010Thumbnail for version as of 16:26, 27 September 2010980 × 1,647 (323 KB)Ineuw{{Information |Description = Genuine alga from the silurian butotrephis grantii |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_32.djvu/810 |Date = 1887-1888 |Author = Unknown |Permission = {{PD-old}} |other_versions = }}
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