First issued in release COL21.4.
Last used in release COL23.9
Published in
Dunbar, C. O., & Condra, G. E. (1927). The fusulinidae of the Pennsylvanian system in Nebraska. Bulletin of the Nebraska Geological Survey, Ser., 2(2): 1–135. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=332062