First issued in release COL21.6.
Last used in release COL23
Published in
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. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=299042