Skinner, J. W.; Wilde, G. L. (1965). Permian biostratigraphy and fusulinid faunas of the Shasta Lake area, northern California. The University of Kansas Paleontological Contributions, Protozoa. 6: 1-98.
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Skinner, J. W.; Wilde, G. L.
1965
Permian biostratigraphy and fusulinid faunas of the Shasta Lake area, northern California
The University of Kansas Paleontological Contributions, Protozoa