File:Key agnostoid trilobite species.png

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Summary edit

Key agnostoid trilobite species are used for recognition of the base of the Drumian Stage.

Licensing edit

Description

Key agnostoid trilobite species are used for recognition of the base of the Drumian Stage.

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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Date/TimeThumbnailDimensionsUserComment
current12:11, 27 October 2016Thumbnail for version as of 12:11, 27 October 2016394 × 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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