found from coastal waters ( about 20-30m depth) of
Langkawi
Andaman Sea and Malacca St. Malaysia
Geological Time: Quaternary Holocene recent
The identification is based upon:
Cushman, J., A., 1939: A monograph of the foraminiferal family Nonionidae Professional Papers U.S. Geological Survey, 191 Plate 41857, Fig.