found in the North Atlantic
unknown
none
Geological Time: Quaternary Holocene recent
the drawings are published in the book cited below, author and collection:
View of a specimen of Reophax delicatus Hada, 1957
The identification is based upon:
Cushman, J., A., 1920: The Foraminifera of the Atlantic Ocean. Part 2. Lituolidae. Bull. U.S. Natl. Mus. 104. Smithsonian Institution United States National Museum Bulletin 104. Plate 4, Fig. 2