Geological Time: Quaternary Holocene recent
the image is published under
CC BY-NO-SA in the World Foraminifera Database
holotype
View of a specimen of Rosalina bradyi (Cushman, 1915)
The identification is based upon:
, : Cushman, J. A. (1915). A monograph of the Foraminifera of the North Pacific Ocean. Part V. Rotaliidae. Bulletin of the United States National Museum. 71 (5): 1-87. Plate , Fig.