First issued in release COL21.6.
Last used in release COL23
Published in
Blondeau, A., & Brabb, E. E. (1983). Studies in Tertiary Stratigraphy of the California Coast Ranges. United States Geological Survey Professional Papers, 1213: 41–48. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=384059