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Stratigraphic Range of Ogygopsis

C. A. Nelson
Journal of Paleontology
Vol. 37, No. 1 (Jan., 1963), pp. 244-248
Stable URL: http://www.jstor.org/stable/1301424
Page Count: 5
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Stratigraphic Range of Ogygopsis
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Abstract

The range of Ogygopsis, a trilobite genus known principally from the Canadian Rocky Mountains where it occurs through most of the Middle Cambrian succession, is here extended downward to the upper part of the Lower Cambrian. In the Inyo Mountains, California, and in western Nevada, the genus is found in association with Olenellus and other Lower Cambrian forms.

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