found in the North Atlantic
Geological Time: Quaternary Holocene recent
the drawings are published in the book cited below, author and collection:
View of a specimen of Ammodiscus incertus d'Orbigny, 1839
The identification is based upon:
Cushman, J., A., 1918: The Foraminifera of the Atlantic Ocean. Part 1. Astrorhizidae. Bull. U.S. Natl. Mus. 104. Smithsonian Institution United States National Museum Bulletin 104. Plate 39, Fig. 1-5
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