The Geological Society of America

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The Geological Society of America provides access to elements that are essential to the professional growth of earth scientists at all levels of expertise and from all sectors: academic, government, business, and industry.
Paleoecology of the familiar trilobite Elrathia kingii: An early exaerobic zone inhabitant
Robert R. Gaines
Geology(2003), 31(11):941
http://dx.doi.org/10.1130/G19926.1

The Geological Society of America
The Geological Society of America
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GeoScience World