File:Key agnostoid trilobite species.png
Original file (394 × 654 pixels, file size: 272 KB, MIME type: image/png)
Summary[edit | edit source]
Key agnostoid trilobite species are used for recognition of the base of the Drumian Stage.
Licensing[edit | edit source]
Description |
Key agnostoid trilobite species are used for recognition of the base of the Drumian Stage. |
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Source |
The image appears on a website entitled, "The Global boundary Stratotype Section and Point (GSSP) of the Drumian Stage (Cambrian) in the Drum Mountains, Utah, USA" at url=http://www.palaeobiology.geo.uu.se/ISCS/Drumian%20GSSP.pdf. |
Date |
June 2007 |
Author |
Loren E. Babcock, Richard A. Robison, Margaret N. Rees, Shanchi Peng, and Matthew R. Saltzman |
Rationale |
No free licensed or public domain alternatives known to exist to show key agnostoid trilobite species are used for recognition of the base of the Drumian Stage. |
Permission |
Fair Use |
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:11, 27 October 2016 | 394 × 654 (272 KB) | Marshallsumter (discuss | contribs) | Key agnostoid trilobite species are used for recognition of the base of the Drumian Stage. Category:Stratigraphy images |
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