First issued in release COL21.6.
Last used in release COL23
Published in
Cushman, J. A. (1929). The Foraminifera of the Atlantic Ocean pt. 6: Miliolidae, Ophthalmidiidae, and Fischerinidae. Bulletin of the United States National Museum, (104): i–129. https://doi.org/10.5479/si.03629236.104.5